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Generative melodic variation of existing midi

I’m on the hunt to try out AU3 apps that mashup/filter midi melodies for live performance?

I have an external hardware midi sequencer, with midi loops on it. So I’m looking for an app to take these midi channels from my sequencer, and then use that to create midi that is a complementary variation of the existing sequence without it sounding too like batsh*t bananas.

Stuff like this?

  • midi-echo
  • midi-looping (with reverse)
  • midi-gate/perforation
  • midi sustain: legato<>staccato of note length?
  • Slow down a midi channel input (I.e. play it four times slower)
  • If the scale mode and scale is defined:

    • Play mono midi bass pattern in a 3th/5th/7th/octave shift
    • Play poly chord midi pattern as inverse chord.
    • other ideas?
  • Use the drum channels to drive note pattern variation timing

  • Create arp patterns from midi notes.
  • Modulation of lfo on velocity,
  • Have a ui that has playable conditional trigs of above parameters, that work well for live jamming?
  • ? What other cool stuff you can do to incoming midi that I don’t know of yet ?

My sequencer (Deluge or launchpad pro) can per part: stop, start, add conditional trigs, change looping points, octave and scale mode/key shifts, so I have this control already.

Perhaps there are other threads that are good discussions on this all-ready, or it’s a mixture of apps to do this?

Comments

  • Bump.. Anyone? There must be some thoughtful made apps out there to do this. I could learn Mozaic or Drambo, but I would rather use an instrument created by someone who has a lot more experience, knowledge and time than me.

  • iOS is a goldmine for what you're looking for.
    Mozaic by Bram Bos, there's a PatchStorage.com page with many excellent contributions from the Audiobus community.
    Streambyter and others by Audeonic.
    midiGATEs and others by Arthur Kerns.
    Midi Tools by Victor Porof.
    Photon, Polythemus, Midi Echo by Anthony Saunders.
    Rozeta by Bram Bos.
    Cality and Ioniarics by Pagefall.
    StepPolyArp Unit and QuantiChord by Laurent Colson.
    miRack, PatchStorage too.
    Drambo, PatchStorage too.

  • @RajahP
    Does App Store try to be annoying on purpose
    I can’t find midi steps
    Do they want my money?

  • @Gdub https://apps.apple.com/app/midisteps/id1001532047?l=en

    By the way folks, don’t forget that Atom2 has quite a few good ways to play around with existing midi you import into it

  • edited June 2021

    Thanks for the replies @ocelot @Gavinski

    Cality, QuantiChord, are creative midi processors that might fit the bill. I'll try these out. But I was hoping for something more like: ElasticFX, Turnado, Effectrix or KoalaFX but for midi?

    I have discounted these apps due to unmet criteria: (correct me if I'm wrong pls.)

    • Apps do not filter live midi channels:
      Atom2
      Ioniarics
      StepPolyArp Unit

    • Apps only do a single function i.e. echo, rather than a collection of functions in a single UI.
      midiGATEs
      Midi Echo

    • Yes these are single UI with multiple functions, but I don't see their purpose as playable live jam instruments.
      Midi Tools
      Photon AU
      Polythemus AU

    • Apps require you to program your own UI / functions, rather than being a preconceived instrument
      Mozaic
      Streambyter
      Drambo
      miRack

  • @jollyDodger said:
    Thanks for the replies @ocelot @Gavinski

    Cality, QuantiChord, look live creative midi processors that might fit the bill. I'll try these out. But I hoping for something more like: ElasticFX, Turnado, Effectrix or KoalaFX but for midi?

    I have discounted these apps due to unmet criteria: (correct me if I'm wrong pls.)

    • Apps do not filter live midi channels: Why not filter in the AU host (AUM or apeMatrix)?
      Atom2
      Ioniarics
      StepPolyArp Unit

    • Apps only do a single function i.e. echo, rather than a collection of functions in a single UI. Both of these do more than 1 thing.
      midiGATEs
      Midi Echo

    • Yes these are single UI with multiple functions, but I don't see their purpose as playable live jam instruments. YMMV, but I use them often with my hardware sequencers, especially Midi Tools. And I always wanted a Future Retro Mondovox.
      Midi Tools
      Photon AU
      Polythemus AU

    • Apps require you to program your own UI / functions, rather than being a preconceived instrument Nirvana. But there's always PatchStorage, or the friendly, helpful members of the Audiobus community. :smile:
      Mozaic
      Streambyter
      Drambo
      miRack

  • _ki_ki
    edited June 2021

    @jollyDodger said:

    • Apps require you to program your own UI / functions, rather than being a preconceived instrument
      Mozaic
      Streambyter
      Drambo
      miRack

    As already mentioned, there are many ready-to-use patches/scripts for these apps

  • There are a lot of them. Lots mentioned.

    I barely learned how to script in Mozaic, and I use it in almost every session with patches from Patchstorage.

  • edited June 2021

    @jollyDodger said:
    Thanks for the replies @ocelot @Gavinski

    Cality, QuantiChord, are creative midi processors that might fit the bill. I'll try these out. But I hoping for something more like: ElasticFX, Turnado, Effectrix or KoalaFX but for midi?

    I have discounted these apps due to unmet criteria: (correct me if I'm wrong pls.)

    • Apps do not filter live midi channels:
      Atom2
      Ioniarics
      StepPolyArp Unit

    • Apps only do a single function i.e. echo, rather than a collection of functions in a single UI.
      midiGATEs
      Midi Echo

    • Yes these are single UI with multiple functions, but I don't see their purpose as playable live jam instruments.
      Midi Tools
      Photon AU
      Polythemus AU

    • Apps require you to program your own UI / functions, rather than being a preconceived instrument
      Mozaic
      Streambyter
      Drambo
      miRack

    Get Mozaic. You don’t have to learn a single thing other then how to download and use patches from Patchstorage.

  • edited June 2021

    I have Mozaic, Drambo, StreamByter. And some of the other apps mentioned here. But I spend much of my day doing basic programming, and the last thing I want is to then program some more to relax.

    For me it appears that we don’t have on iOS, a live performance multi-fx, midi-only-processing app, that I’m imagining. Probably I’m asking for too much, as a standard, common set of tools for creatively manipulating midi in real-time, does not exist yet. And maybe there never will be, as it’s too odd. It’s often lamented by Octotrack peeps that they wished that the live pickup/flex machine workflow also worked on midi. Then combine that with what a NDLR can chromatically do.. and that’s close to what I’m imagining.

    I’ll probs test cality and quantiChord when I have some $pare wonga. Otherwise I think that I’ll check out the Drambo recommendations here.. (I know the basics, because I love using it as a audio processor/synth/sampler drum kits)

  • I bought chordjam ( you might buy quantichord ) Maybe its the same but chordjam has randomisation which quantichord probably has but chordjam has arps. Seemed ok for me to use eulidean note, then chord that out. Seemed better than note generation in drambo. I think scale quantization wise. Turnado could be useful. Especially with a scene controller with encoders or ok via screen. You could have some ok effects ready for every or some channels, without adding loads of auv3. A turnado upgrade could be cool with the same format. Low cpu and multi effect.

  • Is there a desktop VST equivalent?

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