Crossword Puzzle Triangle trio

Clue: Triangle trio

Triangle removed before a break (RACK with 4 letters)
Trio of wind dirs. (NSE with 3 letters)
One of a love trio (AMAS with 4 letters)
Trio sharing a guffaw (THREEMENONAHORSELAUGH with 21 letters)
With Altair and Vega, it forms the Summer Triangle (DENEB with 5 letters)
Triolet (POEM with 4 letters)
Trio on a 4 (GHI with 3 letters)
Matthew's trio (MAGI with 4 letters)
Triptych trio (PANELS with 6 letters)
Jazz legend who turned the Benny Goodman Trio into the Benny Goodman Quartet (HAMPTON with 7 letters)