[Katsunami]

One of the best applications I've seen to produce scores from Midi files is Notation Composer. I own it, and used it a lot, before I got into playing stuff that isn't to be found in (good) midi files. It took too much time to clean up the generated score.

I've switched to buying a lot of fake books (lead sheets), and I type in the score by hand, in Frescobaldi. It's faster than fixing Notation Composer's output if the song is a bit more complex. And yes, with most songs, I improvise accompaniment and bass pedals, as the songs I play are mostly not written for the (Hammond) organ originally.