Just got Nexus and I've been releasing some (shitty) techno songs under the title [NxD].

Whatever you do, DON'T go check them out as they suck.

Also, songs that have a (Piano) or (P) before them means its a piano song.

So, in review:
[NxD] = Techno/Dance/Trance/etc.
(P)/(Piano) = Piano

BAI.