this isn't really considered a musician's tool, it's more designed for playing back midi files, and by that one would have to deduce the intent is specifically for classical music. it's really meant as a finale or sibelius plugin, to get more realistic sound fonts for music teachers or geeks that just like listening to midi music.

however, i spent most of 2014 converting midi compositions i'd written many years before into finished pieces, and this proved to be a very valuable tool to me in converting programmed notes into usable sounds.

i specifically downloaded it for the drums, because i find the idea of mapping drums to be highly anti-musical. the staff isn't arbitrary. drum notation is a real thing. when i notate a snare, i don't mean a turntable scratch. the lack of attention to this reality by drum machine programmers is really upsetting, and i'm not sure why professional drummers haven't pushed back on it. i should be able to put a midi drum file through any plugin and have it hit the relevant sound fonts. i mean, imagine a plugin that triggered the wrong pitches and a culture that says "well, map the pitches then". it's a combination of ignorance and idiocy.

so, the fact that this is a general midi sound card replacement that understands music notation was very key in choosing it as a drum machine. it has some limitations, as everything general midi does, but they can largely be dealt with through production. and, frankly, i tend to produce my drums not just with reverb but with various types of distortion and some pretty heavy equalization. the key thing, for me, was just getting the notes to map correctly out of the box, and it does that quite while.

it turns out that some of the other sound fonts are quite usable, which i just took as a bonus - but beware that some of them are also quite awful.

http://www.soundonsound.com/sos/may06/articles/nibandstand.htm