"Crazy Train" is the first single from British heavy metal vocalist Ozzy Osbourne's debut solo album, Blizzard of Ozz, released in 1980. A live version of the song recorded in 1981 from the album Tribute was also released as a single in 1987 with an accompanying music video.
The song was written by Osbourne, Randy Rhoads and Bob Daisley. The subject matter of the lyrics is the Cold War and the fear of annihilation that existed during this period.
AllMusic reviewer Steve Huey described the main guitar riff as "a classic, making use of the full minor scale in a way not seen since Ritchie Blackmore's heyday with Deep Purple."
The single reached No. 49 on the United Kingdom singles chart in 1980.[3] In the United States, the song reached No. 9 on the Billboard Top Tracks chart and the single peaked at No. 6 on the Billboard Bubbling Under the Hot 100 chart in 1981.
The song is one of Osbourne's best known and recognizable as a solo performer.
It was rated ninth greatest guitar solo ever by readers of Guitar World magazine.
The song was also ranked 9th by VH1 on the list of the 40 Greatest Metal Songs[and in 2009 it was named the 23rd greatest hard rock song of all time also by VH1, the highest placement by a solo artist on the list.