I play guitar. Mostly Spanish but also acoustic and, when I can get it to work, an electric. One thing I often do is improvise a rhythm track and then improvise melodies on top of that; sometimes I’ll feel happy with the result and post it.
I’ve also tried other instruments:
I have managed to get some things done with a keyboard. I currently use a 2 octave keyboard, a midi controller. Usually I play it with piano sound, and later I may change it into cello etc. I’m not effective at editing MIDI, but I’ll get there some day.
I also have a percussion MIDI controller, 8 pads and some knobs that I don’t know how to use. But so far I’ve had better success just banging my chest.
Ages ago I tried the harmonica, but never managed to do any bending, if that’s how they call it.
Have been making mistakes and calling them compositions for 44 years. I’d like to put some of it out there. It’s in a few places:
I use free software only (except of course on my phone, but that I expect to fix as soon as possible):
I like to learn from online teachers. Here are some: