Historical clue formulations

• Key of "Spring" in Vivaldi's "Four Seasons": Abbr. — 2025-10-24
• Key of Dvorak's "Serenade for Strings": Abbr. — 2020-11-13
• Key with four sharps: Abbr. — 2019-03-03
• Key with four sharps: Abbr. — 2017-08-23
• Key with four sharps: Abbr. — 2016-10-18
• Key with four sharps: Abbr. — 2015-09-20
• Key of Beethoven's "Fidelio" Overture: Abbr. — 2015-06-15
• Key of Haydn's Symphony No. 12 or 29 — 2013-05-07
• Mus. key with four sharps — 2013-02-13
• Key with four sharps: Abbr. — 2011-10-30
• Key of Bach's second violin concerto: Abbr. — 2011-04-27
• What Bruckner's Symphony No. 7 is written in: Abbr. — 2010-02-18
• Key of Bruckner's Symphony No. 7: Abbr. — 2007-07-22