Historical clue formulations

• Brothers ___ (pop stars of the 1960s-80s) — 2026-07-03
• Surname of musical brothers Barry, Robin, Maurice and Andy — 2024-05-14
• Songwriter Barry who once had six consecutive #1 hits — 2024-03-28
• Barry, Robin or Maurice of the Bee Gees — 2019-03-03
• Last name of 60-Across — 2014-12-16
• Bandmate Barry, Maurice or Robin — 2014-09-14
• Pop's Brothers ___ — 2012-11-06
• Any of the Bee Gees brothers — 2011-04-25
• Andy with the #1 hit "Shadow Dancing" — 2010-11-24
• 1970s-'80s singer Andy — 2009-04-23
• Bee Gees' surname — 2007-12-12
• Bee Gees brother — 2007-01-28
• Any of the Bee Gees — 2005-03-07
• Singing brother's surname — 2004-10-21
• Any of the Bee Gees — 2002-07-28
• Andy who sang "Shadow Dancing" — 2001-08-23
• Singing brother of 60's-90's pop — 2001-08-15
• The "Gee" in Bee Gees — 2000-06-14