Here’s another Ableton Live trick that I’ved used a lot recently. You could make short one bar, or even shorter loops and get that repetition loop sound that is popular in electronic house music, or what DJs do with beat repeaters. But what I wanted was to then also change the envelopes of those loops, such as the pitch values going upwards or downwards.
So what you could do is to loop a section, drag it out until you have four or eight bars (or what you need) and then do consolidate (Command-J) of the clip. This makes the loop a self-contained audio snippet. After this you could go in and change the envelopes, such as pitch or volume settings. For example, you could have a short repeating loop, and make the pitch go upwards after four bars or so.