Historical clue formulations

• Karaoke participant — 2023-07-19
• Track star? — 2023-04-16
• Bing Crosby or David Crosby — 2013-08-07
• ___ Building, company headquarters erected in 1908 in New York City, at the time the tallest building in the world — 2009-03-28
• One may be backed up — 2009-02-20
• Bass, e.g. — 1999-06-09
• Literature Nobelist, 1978 — 1993-12-04