Historical clue formulations

• 1960s group with a fabric-related name, with "the" — 2019-02-03
• Group with the 1963 hit "South Street," with "the" — 2014-04-26
• Group that sang the 1962 hit "The Wah Watusi," with "the" — 2011-12-03
• "The Wah Watusi" singers, with "the" — 2001-05-27
• Some fabrics — 1994-03-13