Gail Zappa, wife of Frank Zappa and executrix of the Zappa Family Trust, has died. She was 70. A cause of death has not been revealed, though TMZ reported she had had a long battle with lung cancer. Zappa, "departed this earth peacefully at her home ... surrounded by her children," according to a statement from the Zappa Family Trust. "Gail will forever be identified as a key figure in the creative renaissance that is Laurel Canyon," the statement says. "But more than any singular accomplishment, she defined herself in her personal relationships, happiest when surrounded by loved ones and...