| Key of Beethoven's Piano Concerto No. 1 | 43 |
| Key of Beethoven's Piano Sonata No. 12 | 42 |
| Key of Beethoven's Piano Sonata No. 24 | 42 |
| Key of Beethoven's Piano Sonata No. 4 | 41 |
| Key of Beethoven's second piano concerto | 44 |
| Key of Beethoven's Seventh: Abbr. | 37 |
| Key of Beethoven's Sonata No. 26 | 36 |
| Key of Beethoven's String Quartet No. 8 | 43 |
| Key of Beethoven's Sym. No. 7 | 33 |
| Key of Beethoven's Symphony No. 1: Abbr. | 44 |
| Key of Beethoven's Symphony No. 5 | 37 |
| Key of Beethoven's Symphony No. 7 | 37 |
| Key of Beethoven's Symphony No. 7, briefly | 46 |
| Key of Beethoven's Symphony No. 7: Abbr | 43 |
| Key of Beethoven's Symphony No. 7: Abbr. | 44 |
| Key of Bizet's most popular sym. | 36 |
| Key of Brahms' "Double Concerto" | 46 |
| Key of Brahms' Fourth Symphony | 34 |
| Key of Brahms's Piano Sonata No. 1 | 38 |
| Key of Brahms's Piano Sonata No. 3 | 38 |
| Key of Brahms's Piano Trio No. 1 | 36 |
| Key of Brahms's Symphony No. 2 | 34 |
| Key of Brahms's Symphony No. 3 | 34 |
| Key of Brahms's Symphony No. 4 | 34 |
| Key of Brahms's Symphony No. 4: Abbr. | 41 |
| Key of Bruckner's Symphony No. 7 | 36 |
| Key of Bruckner's Symphony No. 7: Abbr. | 43 |
| Key of Chopin's "Barcarolle" | 42 |
| Key of Chopin's "Black Key Etude" | 47 |
| Key of Chopin's "Heroic Polonaise" | 48 |
| Key of Chopin's "Minute Waltz" | 44 |
| Key of Chopin's "Raindrop Prelude" | 48 |
| Key of Chopin's Piano Concerto No. 1 | 40 |
| Key of Chopin's Piano Concerto No. 2 | 40 |
| Key of Chopin's Polonaise No. 6 | 35 |
| Key of Chopin's Polonaise, opus 53 | 38 |
| Key of Dvorák's Piano Quintet: Abbr. | 43 |
| Key of Dvorák's Symphony No. 7 | 37 |
| Key of Dvorák's Symphony No. 9 | 37 |
| Key of Elgar's Symphony No. 1 | 33 |
| Key of four Beethoven piano sonatas | 35 |
| Key of Grieg's only piano concerto | 38 |
| Key of Haydn's "Clock" Symphony | 45 |
| Key of Haydn's "Surprise Symphony" | 48 |
| Key of Haydn's Sonata No. 52 | 32 |
| Key of Haydn's Symphony No. 12 | 34 |
| Key of Haydn's Symphony No. 12 or 29 | 40 |
| Key of Haydn's Symphony No. 29 | 34 |
| Key of Haydn's Symphony No. 98 | 34 |
| Key of Holst's "The Planets" | 42 |
| Key of Liszt's Piano Concerto No. 1 | 39 |
| Key of Liszt's Piano Concerto No. 2 | 39 |
| Key of Mahler's Symphony No. 1: Abbr. | 41 |
| Key of Mahler's Symphony No. 4: abbr. | 41 |
| Key of Mendelssohn's Octet, Op. 20 | 38 |
| Key of Mendelssohn's Symphony #3 | 36 |
| Key of Mendelssohn's Symphony No. 3 | 39 |
| Key of Mozart's 'Requiem' | 37 |
| Key of Mozart's "Odense" Symphony | 47 |
| Key of Mozart's "Requiem" | 39 |
| Key of Mozart's Piano Concerto No. 24 | 41 |
| Key of Mozart's Requiem Mass | 32 |
| Key of Mozart's Symph. No. 29 | 33 |
| Key of Mozart's Symphony No. 25 | 35 |
| Key of Mozart's Symphony No. 25 or 40 | 41 |
| Key of Mozart's Symphony No. 39 | 35 |
| Key of Mozart's Symphony No. 40 | 35 |
| Key of Mozart's Symphony No. 6 | 34 |
| Key of Pachelbel's Canon (abbr.) | 36 |
| Key of Pachelbel's Canon: Abbr. | 35 |
| Key of Pachelbel's famous canon: Abbr. | 42 |
| Key of Prokofiev's first piano concerto | 43 |
| Key of Prokofiev's Piano Concerto No. 1 | 43 |
| Key of Prokofiev's Symphony No. 6 | 37 |
| Key of Schubert's Impromptu Op. 90, No. 3 | 45 |
| Key of Schubert's Symphony No. 5 | 36 |
| Key of Schumann's "Spring" Symphony | 49 |
| Key of Schumann's Symphony No. 1 | 36 |
| Key of Scriabin's Piano Sonata No. 4 | 40 |
| Key of Scriabin's Symphony No. 1 | 36 |
| Key of Shostakovich's Concerto No.2 | 39 |
| Key of Sibelius' Symphony No. 7 | 35 |
| Key of Tchaikovsky's Piano Concerto No. 1 | 45 |
| Key of Tchaikovsky's Symphony No. 5 | 39 |
| Key of the ''Eroica'' symphony | 46 |
| Key of the "Eroica" symphony | 38 |
| Key of the "Odense" Symphony | 38 |
| Key of the last Brandenburg concerto | 36 |
| Key of Westminster Palace's bells | 37 |
| Key often pressed with Alt and Del | 34 |
| Key often used with Ctrl and Del | 32 |
| Key on a keyboard's bottom row | 34 |
| Key on the far left of a keyboard | 33 |
| Key one might pound out of frustration | 38 |
| Key pressed frantically during a crash | 38 |
| Key pressed to leave full-screen mode on YouTube | 48 |
| Key prop in the Cinderella story | 32 |
| Key pushed repeatedly during a crash | 36 |
| Key ratings period for TV producers | 35 |
| Key represented by all white keys on a piano | 44 |