Crossword puzzle clue "diner music players in brief"

Diner music players, in brief

Like MP3 players, not CD players

Some AL players, but not NL players

Artist and chess player who said "While all artists are not chess players, all chess players are artists"

Brief diner order?

Pony players' locale, in brief

Venue for the Not Ready for Prime Time Players, in brief

''Music, Music, Music'' singer