"Lock and Key" is a song written, produced and performed by Canadian rock band Rush. It is a promotional single from their twelfth studio album, Hold Your Fire. The song deals with the theme of every human being’s primal, violent instincts underneath their civil appearance - their “killer instinct”. Critics gave the song liking reviews, with some saying it had quality of a hit single, and would make it on the Billboard Hot Mainstream Rock Tracks chart; it went on to reach number 16 on the chart. The song's music video was originally released in 1987, and was produced by Bob Jason and directed by T. Vanden Ende.
| "Lock and Key" | |
|---|---|
| Promotional single by Rush | |
| from the album Hold Your Fire | |
| Released | December 1987 |
| Recorded | 1987 |
| Genre | Progressive rock |
| Length | 5:10 |
| Label | Anthem Records |
| Songwriter(s) | Geddy Lee, Alex Lifeson, Neil Peart |
| Producer(s) | Peter Collins |
| Music video | |
| "Lock and Key" on YouTube | |

"Lock and Key" is an atmospheric, dark[1] progressive rock song, composed in a G♯ minor key, and played at a moderate tempo and in common time.[2] The intro follows the chord progression G♯m—F♯/A♯—B6—C♯7—G♯m—F♯/A♯—E—G♯m—F♯ (no. 2)/A♯—B (no. 2), the versus following G♯m—F♯/A♯—B, the pre-chorus following D#5—E♯5—F♯5—G♯5—A♯5—F♯5, the chorus following G♯m—F♯/A♯—B6—C♯—C#sus—G♯m—F♯/A♯—E5, and the bridge following G♯5—A♯5—B5.[2]
Geddy Lee said the song to have been a mix of sounds and ideas.[3] Instrumentation includes keyboards,[3] a rough-toned electric guitar, a smooth, creamy-toned bass guitar,[1] and drums.[4] Lee played both keyboards and bass in the song, which he found to be a "battle".[3] He also said in 1988 that, unlike most songs from Hold Your Fire, he played a 5-string bass for the song (the only song in their discography where he did so): "I find that low string really means more today, because we're living in the world of synthesizers that go lower than basses ever went before."[5] Drummer Neil Peart said that in the song, he performed "a solo while Geddy and Alex keep time behind me. That's fantastic, a beautiful exchange of roles: a drum solo in the terms of a guitar solo, where the rest of the band supports, Geddy and Alex playing the actual rhythmic pulse. It allows us to try out a new suit, to take on a new interrelationship between us."[4] The song also includes a guitar solo by Lifeson that, according to a review on Sputnikmusic, deviates "from his melodic aspirations elsewhere on the album [Hold Your Fire]."[1]
"I don't want to face the killer instinct
Face it in you or me
So we keep it under lock and key
Lock and key"
The song's chorus, describing how a "killer instinct" is kept under control.[6][7]
"Lock and Key" alludes to the Carson McCullers novel The Heart is a Lonely Hunter.[8] The subject of the song is about violence,[9] making mentions of threats about a "killer instinct" inherent in humanity.[10] Alex Lifeson said that the phrase meant "the ability to kill for no reason at all,"[6] so, according to the book Mystic Rhythms: The Philosophical Vision of Rush, "we suppress and repress the living, vibrant, animal courage, and substitute the tepid, torpid, vapid, but secure robotic, mechanistic, automatic-pilot self. Risk is the price of being free, and we’d rather not pay it."[11]
"Lock and Key" was only released as a promotional single by Anthem Records in Canada in 1987.[12] It is the sixth track of the album Hold Your Fire. Rush performed the song live on their Hold Your Fire tour,[13] and a live performance of the song appears on the laserdisc version of the concert film A Show of Hands.[14] The song was also listed as a track on the official flyer for the live box set Rush Replay X 3, but Anthem claimed it was an error and said it would not appear on the box set.[15]
The song has been given positive reviews from music critics. Allmusic called the song "quintessential Rush".[16] Sputnikmusic named it a "brilliant choice for a second single, and criminally underrated".[1] Scouting magazine said the song had "genuine hit-single potential."[17] Metal Storm said that the song was a standout track of Hold Your Fire, stating that it "has a clear-cut power edge over the rest of the album."[18] The Manila Standard also named it one of the best cuts from the album.[19] In contrast, The Cavalier Daily found the song to be forgettable.[20] The song peaked at number 16 on the Billboard Hot Mainstream Rock Tracks chart.[21]

The song's music video was originally released in 1987. It was produced by Bob Jason and directed by T. Vanden Ende.[22] The video was later released on iTunes on December 7, 2005.[23] The video includes a reel of old and unusual footage in the background,[3] such as clips from the 1932 film The Last Mile.[24][25] Lee said that the goal of making the video was to make the footage match with the lyrics, which was very difficult to do, because "we [the band] were all trying to do those effects on camera."[3]
"Lock and Key" was played on the episode "The Whole Truth" from the Canadian television show Degrassi Junior High.[26]
"Intro", from Joe Budden's self-titled debut album, is credited on the album's liner notes as sampling "Lock and Key".[27]
| Chart | Peak position |
|---|---|
| US Mainstream Rock Tracks (Billboard)[21] | 16 |
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