People/Group Name checks against both Latin and Japanese name forms. % is the wildcard. Examples: %Ai, Fukuda%, 福田%

Seniority column orders people based on date of their earliest song/album credit in the database. Separate the veterans from the newbies.

Credits column sums up all credits the person/group has in the databaes for songs and albums--could even be multiple for the same song. Sort by this and you'll find the most prolific people and groups.