Music is often used to set the mood. It helps you focus at work, amps you up for exercise, and calms you down before sleep. Most cannabis users know there's nothing like listening to a good song when you're high. The whole experience changes. Next time you are about to have a puff, sit back, hit play and enjoy these relaxing classics.

1. Comfortably Numb - Pink Floyd

Album: The Wall

Released: 1979

Genre: Progressive Rock

"Comfortably Numb" was released twice: first on the 1979 double album The Wall and again as a single in 1980 with "Hey You" as the B-side. It was the last song performed by Roger Waters, David Gilmour, keyboardist Richard Wright, and drummer Nick Mason together.

2. Space Oddity - David Bowie

Album: David Bowie

Released: 1969

Genre: Space Rock

"Space Oddity" was Bowie's first UK Top 5 hit. The song is about the launch of Major Tom, a fictional astronaut, who Bowie revisited in "Ashes to Ashes," "Hello Spaceboy" and "Blackstar." In 2013, Chris Hadfield, a Canadian astronaut, covered the song while aboard an international space station, making the first music video shot in space. You can watch the video here.

3. My My, Hey Hey (Out Of The Blue) - Neil Young

Album: Live Rust

Released: 1979

Genre: Hard Rock

"My My, Hey Hey (Out Of The Blue)" is the acoustic counterpart of "My My, Hey Hey (Into The Black)." A line from the song, "It's better to burn out than to fade away," was quoted in Nirvana frontman Kurt Cobain's suicide note. Young was so shaken by the reference that he dedicated his 1994 album Sleeps with Angels to Cobain.

4. Blackbird - The Beatles

Album: The White Album

Released: 1968

Genre: Folk

"Black Bird" was written and performed as a solo by Paul McCartney. He wrote the song in the 60s as a reaction to the racial tension escalating in the U.S., when the civil rights movements was at its height. The musician has said he likes to think of a blackbird as a symbol for the African American woman.

5. The Only Living Boy In New York - Simon & Garfunkel

Album: Bridge Over Troubled Water

Released: 1970

Genre: Folk Rock

Simon wrote this song to his partner in crime, Art Garfunkel, when Garfunkel was in Mexico filming Catch-22. Simon refers to Garfunkel as "Tom," as a call to their early days when they were known as Tom and Jerry.

Click below for the full playlist.