Boston [ tickets ] lead singer Brad Delp's death was a suicide, according to a new statement made by his family.

"He was a man who gave all he had to give to everyone around him, whether family, friends, fans or strangers," Delp's family said in a statement released Wednesday (3/14) by Concord, NH, police. "He gave as long as he could, as best he could, and he was very tired. We take comfort in knowing that he is now, at last, at peace."

Delp, 55, who died Friday in his Atkinson, NH, home, left taped to a door notes addressed to his family and fiancee Pamela Sullivan, according to police. Sullivan was the first to discover Delp's body.

The state medical examiner's office ran toxicology tests on Delp and found that the singer committed suicide by carbon monoxide poisoning, according to Lt. William Baldwin of the Concord police.

Delp enjoyed great success in the '70s with Boston [ tickets ], producing two huge hits in "More Than a Feeling" and "Long Time."

More recently, Delp had performed with a local Beatles tribute band, Beatle Juice, while still maintaining his role as vocalist for Boston, which, prior to Delp's death, had been planning a new tour and possible new album, according to bandleader Tom Scholz.

Delp's family plans a private funeral for the singer, followed by a public memorial at a date to be scheduled later.