Historical clue formulations

• Pioneering synthesizer brand — 2024-01-23
• Big name in synthesizers — 2021-06-20
• Robert who pioneered in electronic music — 2018-12-09
• Keyboard instrument — 2017-10-07
• Famed synthesizer — 2016-05-10
• Instrument in "Switched-On Bach" — 2015-09-12
• Synthesizer pioneer Robert — 2014-05-07
• Synthesizer designer Robert — 2012-04-09
• "Switched-On Bach" instrument — 2012-01-22
• Synthesizer designer Robert — 2011-08-14
• Eponymous instrument maker Robert — 2008-08-07
• "A Clockwork Orange" instrument — 2008-04-19
• Electronic music pioneer Robert — 2006-09-26
• Electronic music pioneer — 2006-08-11
• ___ synthesizer — 2005-12-12
• Synthesizer pioneer — 2002-10-20
• Synthesizer innovator Bob — 2002-02-07
• ___ synthesizer — 2002-01-15
• Synthesizer pioneer — 2001-06-22
• Keyboard instrument — 2000-03-02
• Many a synthesizer — 1999-04-29
• Music synthesizer — 1998-12-01
• ___ synthesizer — 1997-06-03
• Synthesizer man — 1997-02-25
• Synthesizer inventor — 1996-06-20
• Modern music maker — 1996-04-11
• Synthesizer — 1995-03-28