| Key of Mahler's Symphony No. 4: abbr. | 41 |
| Key of Mendelssohn's "Scottish Symphony" | 54 |
| Key of Mendelssohn's "Scottish" Symphony | 54 |
| 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 "Jupiter" Symphony: Abbr. | 55 |
| 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 | 28 |
| Key of Pachelbel's Canon (abbr.) | 36 |
| Key of Pachelbel's Canon: Abbr. | 35 |
| Key of Pachelbel's famous canon: Abbr. | 42 |
| Key of Pink Floyd's "Comfortably Numb" | 52 |
| 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 Rachmaninoff's Third | 31 |
| Key of Ravel's Piano Trio | 29 |
| Key of Saint-Saëns's "Danse macabre" | 53 |
| Key of Schubert's "Trout" Quintet: Abbr. | 54 |
| Key of Schubert's "Unfinished" Symphony | 53 |
| 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 "First of May" | 50 |
| Key of Shostakovich's Concerto No.2 | 39 |
| Key of Sibelius' Symphony No. 7 | 35 |
| Key of Tchaikovsky's "Pathétique" | 50 |
| 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" | 29 |
| Key of the "Eroica" symphony | 38 |
| Key of the "Odense" Symphony | 38 |
| Key of the Beatles' "Lady Madonna": Abbr. | 55 |
| Key of the last Brandenburg concerto | 36 |
| Key of the last movement of Mendelssohn's Op. 64 violin concerto | 68 |
| Key of the Nile | 15 |
| Key of the overture to "The Magic Flute" | 50 |
| Key of the overture to Mozart's "The Magic Flute" | 63 |
| Key of two Schubert impromptus | 30 |
| Key of Westminster Palace's bells | 37 |
| Key officers | 12 |
| Key officers group | 18 |
| Key often hit in anger | 22 |
| Key often hit while frustrated | 30 |
| Key often pressed frantically when the computer freezes | 55 |
| Key often pressed with Alt and Del | 34 |
| Key often used with Ctrl and Del | 32 |
| Key on a calculator | 19 |
| Key on a keyboard | 17 |
| Key on a keyboard's bottom row | 34 |
| Key on a keypad | 15 |
| Key on a map | 12 |
| Key on a PC | 11 |
| Key on an old cash register | 27 |
| Key on an old register | 22 |
| Key on P.C. keyboards | 21 |
| Key on some typewriters | 23 |
| Key on the far left of a keyboard | 33 |
| Key one might pound out of frustration | 38 |
| Key opener? | 11 |
| Key opening | 11 |
| Key opening? | 12 |
| Key opposite Caps Lock | 22 |
| Key opus | 8 |
| Key or cay | 10 |
| Key or Kennedy | 14 |
| Key or league | 13 |
| Key or Turner | 13 |
| Key over | 8 |
| Key over Control | 16 |
| Key part of a PC | 16 |
| Key part of the immune system | 29 |
| Key partner | 11 |
| Key pension law: abbr. | 22 |
| Key periods | 11 |
| Key person | 10 |
| Key person in England | 21 |
| Key person? | 11 |
| Key personnel group | 19 |
| Key personnel? | 14 |
| Key phrase | 10 |
| Key phrase in this crossword | 28 |
| Key piano key | 13 |
| Key pie fruit? | 14 |
| Key pie ingredient | 18 |