Historical clue formulations

• 1997 pop hit with a nonsensical refrain — 2022-01-09
• 1997 #1 hit with a nonsense title — 2015-12-24
• 1997 #1 hit with a nonsense title — 2012-05-18
• 1997 #1 Hanson hit — 2003-11-23
• 1997 #1 hit with a nonsense chorus — 1999-10-23