If your music theory knowledge could do with some dusting off and freshening up, you could try Music Theory Helper. This Max for Live effect allows you to get some helpful tips directly in Ableton Live.
Madeleine Bloom is an Ableton Certified Trainer, musician, producer, multi-instrumentalist and singer from Berlin. She studied Electroacoustic Music at the Franz Liszt Conservatory. For a few years she worked as a technical support for Ableton gaining in-depth knowledge of Ableton Live that even most CTs don't ever get. In 2012 she started Sonic Bloom and has since helped countless people on all continents with their music productions and live performances.