ChordBud Chord MIDI Sequencer
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ChordBud is an all in one app that combines most important concepts when sketching a song. You have tons of scales, their harmonic fields, option to choose triads, 7th and extended chords with their inversions, most common chord progressions with the ability to creating your custom progressions and even notes if you want to sketch a melody or bass, all under your hand.

New features recap:
– History (undo/redo up to 10 steps)
– Multiple input editing (Hold your finger on the timetable for a second to drag-to-select tool)
– Custom duration for sequencer (It was auto-calculated based on the longest track in your sequence, now you can set it on the timetable with range pointer)
– Change octave for the individual inputs (Used to be all inputs share the same octave in the same track and only can change from the track settings. Long press an input for the “octave change” menu item)
– Chord inversions

ChordBud does not generate sound but has a built-in MIDI sequencer that sends MIDI to other MIDI-enabled apps in your iOS device, connected MIDI hardware and CoreMIDI enabled software on your Mac or PC via network session. It auto-detects available MIDI destinations and lets you choose which one you want to connect. Also, it supports Ableton Link as well!

You can add up to 16 tracks to your projects, add chords or notes to your tracks and assign different MIDI channels to them and sketch your ideas into a real song.

Lots of scales, chord progressions, harmonic fields, triads, tetrads and extended chords with rich editing features are waiting for you to create your next awesome song.

ChordBud also offers its core components open sourced on GitHub. Feel free to fork them, send a pull request to make it better, open an issue to share your ideas or give them a star if you like them.

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Rozeta Audio Unit Automation
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Rozeta is a suite of MIDI sequencers and controllers that lets you explore a new, freeform approach to sequencing and controlling mobile music apps.

The app contains 9 MIDI Audio Units (a totally new feature in iOS11) in a single package, which can be loaded in compatible MIDI AU hosts (Kymatica AUM, Beatmaker 3, Sequencism).

Rozeta Arpeggio, Collider, LFO, Particles and X0X now allow selected parameters to be automated:
– by recording parameter changes from the plugin’s UI
– through exposed AU Parameters
– by sending MIDI CC commands

1) Rozeta Bassline: a monosequencer based on the popular Troublemaker sequencer. Obviously comes with all the randomization and mutation features. Up to 8 patterns per sequence, with Follow Actions. Transpose using MIDI.

2) Rozeta Rhythm: a euclidean drum sequencer with mutations per instrument and polyrhythms. Comes with configurable key mappings for many popular drum apps.

3) Rozeta X0X: classic TR-styles step sequencer for drum machines. Supports triplets, polyrhythms and mutations per channel. Optionally emulates the exact timing jitter pattern of the legendary TR-808

4) Rozeta LFO: a triple MIDI LFO generator lets you modulate CC parameters of your MIDI instruments. Apply amplitude modulation to each wave for more organic behavior. Optionally syncs to tempo.

5) Rozeta XY: a double XY Controller Pad for generating 4 simultaneous configurable CC controller streams per instance. Also features MOD wheel and PitchBend sliders.

6) Rozeta Arpeggio: adds a MIDI arpeggiator to any of your synths. Offers latch mode, shuffle and automatic tempo synchronization. Turn any incoming MIDI stream into an arpeggio on the fly.

7) Rozeta Particles: MIDI particle generator – generates a cloud of MIDI notes that create pseudo-random patterns when bounding off the walls.

8) Rozeta Cells: Polyphonic Step Recorder – record and play back polyphonic phrases and patterns.

9) Rozeta Collider (NEW): MIDI Hadron Collider – explore semi-repeating generative patterns and melodies.

– these plugins do not run as a standalone app and require a compatible host to work
– MIDI is not sound. To make sound you’ll have to feed the MIDI into a synthesizer or instrument app. Bring your own synths!

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Grid Music Generative Music Sequencer
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Grid Music is a generative step sequencer. It makes music by conducting pulses between cells, which can play notes, modulate the synthesized sound, or emit pulses at regular intervals. Pulses can change direction randomly at intersections, creating random melodies and timbre. The fixed grid is designed for direct manipulation and is easy to use on devices big and small.


• Patterns are easy to edit and can be composed live. Create a tune in a few taps. Alter the structure of the sequence in a few more.

• Pitch quantization ensures that notes are always in key and makes it simple to create chord progressions.

• The built-in synthesizer can be modulated as part of a pattern. Add an extra dimension to a melody or create a randomized sonic texture.

• Perform songs with perfect timing using synchronized pattern queueing.

• Support for Ableton Link allows Grid Music to play in time with other apps and devices.

• Support for the iOS Files app makes it easy to organize your compositions and access them from multiple devices.

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SEQ3X64 MIDI Step Sequencer
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SEQ3X64 is a MIDI step sequencer, with two melodic tracks and one drums track. Each track can be from 2 to 64 steps long. Up to 16 projects can be stored in the sequencer memory, each project containing up 16 sequences on each track.

Each step on the melodic tracks has its own configuration (note number, velocity and gate length), and can be tied to next step in order to get any note length. The two melodic tracks can also be transposed in real time.

The drums track can trigger 16 different events (note number, velocity and gate length). Each step on drums track can trigger the 16 events at the same time.

The three tracks can be configured independently in terms of direction (forward, reverse, alternate) and time division (1/4, 1/8, 1/16 and 1/32). Each track can also be used in triplet mode and can have a different number of steps. Tempo can be set from 30 to 300 bpm. SEQ3X64 can be clocked internally or externally, and it can provide MIDI synchronization data to other MIDI devices as a Master.

SEQ3X64 has been specifically designed to stay compatible with older iOS versions (iOS 5.1 minimum). A nice way to recycle an older iPad…

Tutorial for the application is available here : https://www.youtube.com/watch?v=tsUXwCLDJGU

IMPORTANT : SEQ3X64 requires a iOS compatible MIDI interface connected to the iPad via a Camera Connection Kit (for iPads 1/2/3) or a Lightning USB cable (for iPads 4or greater, iPad Air, iPad Mini and iPad Pro)

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Quantum MIDI Sequencer For iOS
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Quantum is a performance midi sequencer which approaches music composition with an interactive creation processes – sometimes referred to as ‘noodling’.

Where pattern or piano-role sequencers are good for music forms (intro/verse/chorus etc) or grid entry, Quantum’s approach is built around the idea of a step being the focus – think of the step as a single note or chord written on a music sheet then add a lot of extra notation (like probability of playing or ornamentation say).

These highly detailed steps are then aligned into sequences (think melodies) that loop. You can have any length up to 64, but these can be further split into 4 sub-sequences that have their own set of sequencer parameters (like tempo, play direction, transpose etc).

To enter step parameters such as note pitch, velocity, gated length etc, 16 general faders are available which allow you to draw, drag, select copy/paste, inc/dec & link together to edit values. These are also midi learnable (midi cc or nrpn) to allow you to use control surfaces or midi controllers.

To aid you with faster control Quantum has loop actions which you can program in to carry out tasks when a sequence loops – e.g. transpose, randomise, start or load another sequence etc.

With up to 24 sequences playing Quantum introduces a mixer page allowing you to blend midi velocities. Built on the MidiSequencer engine, midi FX, devices & Controllers are now possible per sequence.

So why would Quantum be good for your setup? There are many midi enabled IOS & hardware synths that produce exotic timbres if you send them fast & varied midi controls that you just would not hear with keyboard playing or slow tempo tunes. Also, Quantum, embraces experimentation in melody creation and by copy/pasting allowing quick setup of arpeggios & counterpoint tunes that you can create & manipulate on the fly!

note : This app sends midi information – you need to use it in conjunction with any midi enabled iOS synth app (e.g. Sunrizer) to hear sounds

Get Quantum Sequencer

  • iPad Loops is a music app blog dedicated to exposing the best iPad apps for iOS musicians, producers, and Djs. This is not a database of every app. It is, however, one of useful recommendations from someone with many years in music production. I try to update it on a daily basis (ok sometimes every two days) and I do my best to post useful apps only. My name is Jason Donnelly (Dj Puzzle). You might know me from my royalty free loop packs and sound design. Some of the apps that contain my loops are Retronyms AudioCopy, LP-5, iPRO.DJSAMPLER, Looptastic, and Audio Elements. My work is published by Magix Soundtrack Loops, Sample Logic, Pakotec, Loopmasters, Acoustica, Xmix, Sound Trends, and many more. Subscribe to our RSS feed below to get updated when new apps are posted.


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