Historical clue formulations

• "M-m-m-my ___" (1970s song lyric) — 2024-05-05
• "My ___" (#1 hit for the Knack) — 2022-10-09
• "My ___" (1979 hit by the Knack) — 2017-07-16
• "My" girl in a 1979 hit — 2011-08-12
• Title girl in a 1979 #1 hit — 2006-01-08
• "My ___" (#1 hit for the Knack) — 2004-06-13
• "My ___" (#1 hit for the Knack) — 2001-08-11