Joseph Peter Daley is an American educator, jazz musician, composer and arranger known for his work with the tuba, trombone and euphonium .

Sam Rivers, Jayne Cortez, Carla Bley, Edward Vesala, George Gruntz, Muhal Richard Abrams, Phil Haynes, Bill Cole, Ellery Eskelin, Alan Silva, Assif Tsahar, Dave Douglas, Taylor Ho Bynum, Joe Fonda, Bill Dixon, Reggie Nicholson, Warren Smith, Natalie Merchant, Anthony Braxton, Jason Kao Hwang, Marty Ehrlich and Michael Gregory Jackson.

[3] His interest in musicology and music from around the world has resulted in collaborations with the Tuvan throat singers of Huun Huur Tu, Benin, Africa's Gangbe Brass Band, Kronos String Quartet and Natalie Merchant.

[4][5] While Joseph has been composing music virtually all of his life,[6] his first major published work was the ambitious and well received The Seven Deadly Sins,[7] published as an album on CD in 2011 along with a tribute to his deceased brother Ballade for the Fallen African Warrior.

[11][12] With Bill Cole With Gil Evans With Charlie Haden With Howard Johnson With Hazmat Modine With Sam Rivers With others