You have no genre tags for Showtunes or Soundtracks. There is no genre Hip Hop. For Jazz, you simply have Jazz, no Jazz-Lounge, or Jazz-Acid, nor Jazz-BigBand.

You could include Rock, Rock-NRoll, Rock-80s, Rock-Metal, and others.

There are countless genres, but you don't have to list them all. People can get better definitions though.

Try searching for showtunes!