Transpose in Ableton Live

Quickest way: add Ableton's Pitch MIDI effect. It comes with octave presets, and you can set it to single semitones.

Transpose presets you can fire like clips:

1. In an Instrument Rack, add a MIDI chain with Pitch on it.
2. Use the Chain Selector to create a chain for each step you want. We suggest -7 to +7.
3. Create a dummy clip for each chain.
4. Drag them alongside your other instrument dummy clips and fire them like presets.