"Signs" is a song by the Canadian rock group Five Man Electrical Band. It was written by Les Emmerson and popularized the relatively unknown band, who recorded it for their second album, Good-byes and Butterflies, in 1970. "Signs" was originally released that year as the B-side to the relatively unsuccessful single "Hello Melinda Goodbye" (#55 Canada).

Re-released in 1971 as the A-side, "Signs" reached No. 4 in Canada and No. 3 on the US Billboard Hot 100 chart. Billboard ranked it as the No. 24 song for 1971. It became a gold record.

"Signs" was covered and recorded live by Tesla for their Five Man Acoustical Jam album in 1990, peaking at number 8 on the Pop charts. This cover had some minor changes to the lyrics: the line "blockin' out the scenery" was changed to "fuckin' up the scenery," and "made up my own little sign" was changed to "made up my own fuckin' sign". A studio version recorded in 2007 used the original lyrics.

The opening line of the song, "And the sign said long haired freaky people need not apply", was sampled by Fatboy Slim for his song "Don't Let The Man Get You Down", from his Palookaville album.

ApologetiX recorded a parody of the song titled "Lions", telling the story of Daniel in the lion's den. It was originally included on the cassette of Radical History Tour, and was later re-issued on the "Director's Cut" edition of Isn't Wasn't Ain't.

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