What are the game changes between classic GF/DM and GF/DM XG?

The major changes to the games are the inclusion of two extra frets on GuitarFreaks, and an additional bass pedal, cymbal, and tom on DrumMania, which provide for larger and more varied and difficult charts. Refer to the Gameplay Changes section of the GF/DM XG page for more information.


What song(s) in GuitarFreaks have the _______?

What song(s) in DrumMania have the _______?


What licensed artist(s) have had the most songs in GF/DM?

Bump of Chicken and 矢井田瞳, each with 5.