Freight Train is a song on the 1989 album by Nitro

Nitro

-Chemistry:*Nitroglycerin, an explosive chemical compound*Nitromethane, the simplest organic nitro compound; also used to fuel high-performance internal-combustion engines*Nitrous oxide, "laughing gas", used in some dental procedures as an anaesthetic...

, O.F.R.

O.F.R.

O.F.R. is the 1989 debut album by American glam metal band Nitro. Two singles were released from the album: "Freight Train" and "Long Way From Home". The band became famous for the music video to the former, which featured guitarist Michael Angelo Batio playing his famous "Quad Guitar"...

. In the video for Freight Train, Michael Angelo Batio

Michael Angelo Batio

Michael Angelo Batio also known as Mike Batio or MAB, is a guitarist and columnist from Chicago, Illinois. His work has encompassed many genres, notably metal and its subgenres. Batio was voted the "No. 1 Shredder of All Time" by Guitar One Magazine in 2003...

 uses the one-of-a-kind quad guitar, which is a guitar

Guitar

The guitar is a plucked string instrument, usually played with fingers or a pick. The guitar consists of a body with a rigid neck to which the strings, generally six in number, are attached. Guitars are traditionally constructed of various woods and strung with animal gut or, more recently, with...

 with 4 necks. The top two necks have 7 strings

Strings (music)

A string is the vibrating element that produces sound in string instruments, such as the guitar, harp, piano, and members of the violin family. Strings are lengths of a flexible material kept under tension so that they may vibrate freely, but controllably. Strings may be "plain"...

and the bottom 2 have 6 strings. Unfortunately, that guitar was stolen after the second performance of the "Nitro" "O.F.R" tour in El Paso, Texas. Then, in 2004, a fan showed up to one of Batio's performances with a guitar case. The fan opened up the case to reveal 2 of the four guitars that had made up the famous Quad Guitar. \