Historical clue formulations

• Cat or clock preceder — 2013-06-11
• With 62-Down, old ball game — 2012-09-01
• Beginning of time? — 2012-02-25
• ___ cat — 2008-06-07
• ___ cat — 2008-01-11
• Clock starter? — 2006-09-02
• ___ cat — 2006-02-10
• "___'Clock Jump" (1930's hit) — 2005-01-03
• "___'Clock Jump" (1937 hit) — 2002-01-13
• Clock or cat preceder — 1999-09-12
• "___'Clock Jump" — 1999-04-13
• Basie's "_____ 'Clock Jump" — 1995-07-02