Instruct: Given a premise, retrieve a hypothesis that is entailed by the premise.
Query: In guitar music, especially electric guitar, a power chord    (also fifth chord) is a colloquial name for a chord that consists of the root note and the fifth. Power chords are commonly played on amplified guitars, especially on electric guitar with distortion. Power chords are a key element of many styles of rock and especially in heavy metal, and punk rock.
a power chord requires a guitar
The difference in whether or not a band becomes famous is mainly dependent on their guitarist's ability to perform a well-executed power chord. 
Fifth Harmony has been covered by Tool.
They were referring to a guitar.
Keith Richards is most famous for his thrilling power chords.
The electric guitar is a popular instrument.
It is rare to find evidence of power chords in modern rock.
Deep Purple played hard rock songs at night clubs often.
Fifth Harmony has been covered by korn.
The album Fifth Harmony is named after a musical group.
Carlos Santana is well known for his thrilling power chords.
The band Darkest Hour did a tour for their 5th album.
An odd number of songs are played during "6-packs" of rock.
The Clash incorporated punk first in their music. 
They are playing a guitar.
the band used distrotion pedals while making the album
Fifth Harmony has been covered by dre.
There are other ways to tune a guitar.
Guitars can also be played using fuel
The group Fifth Harmony has had at least two other records besides "Fifth Harmony."
The diminished seventh chord has dramatic potential
Fifth Harmony has been covered by rush.
Power chords consist of a root note and the third
Carlos Santana is well known for his thrilling power chords.
Power chords are rarely played on amplified guitars