OK, I think one of the problems is tape, because it's not a loop of four tracks where you can have the same notes played but randomly change the instrument or drum sound. Looping on my other (hardware) instruments provides me with a background to come in and out with different loops as a way of experimenting with new ideas. With tape, I feel this sort of obligation to make "tracks", which seems to inherently mean "tracks of a song". I know there are looping possibilities for the drum sequencers and synth sequencers, which are actually not bad, but you can't run both at the same time. Also, you have to record something, like a drum loop, so you can experiment with adding a synth sound to it, which seems to block creativity. I know I could also record one as a track and then loop the other one or ones, but it doesn't "flow", right?
I had a similar feeling about it when I got mine and so I have other instruments for that purpose as well. But that is where I sometimes get ‘stuck’ because I can lay out a melody, for instance on my electribe, and keep going back and adjusting the instrument sound or moving some of the notes around until I like it. And that works great for me sometimes, but other times I NEED the OP-1’s tape to make me just get on with it an record it. I find that with the OP-1 I will practice what I am going to record over and over before recording it, which of course makes me better at music.