Instruct: Given a premise, retrieve a hypothesis that is entailed by the premise.
Query: How to tune a unison on a piano<br>Open up the piano to expose both the tuning pins and the keys. Depending on the piano, this usually requires removal of the front part of the upper cabinet and sometimes the key cover. Play the offending note and find the strings associated with that note.
Finding  the strings attached to the wrong note is necessary for the correct tuning.
There are other ways to tune a guitar.
Pianos are in marching bands.
Tuning a piano is something that cannot be done.
my cousin plays the piano
We are talking about a piano, not a synthesizer.
a power chord is achieved with an instrument
The baby pianny refers to the exc tsame thing at the piano
There are several instruments mentioned in this text.
a power chord and the fifth cord are the same
Four-part harmony can be compassed with any keyboard 
You usually will need to remove the front part of the upper cabinet.
The first instrument this person learned was the piano.
The baby pianny is the same thing as the piano
A piano is a type of instrument.
a power chord requires hands
The 2 piano performance is after 6 in the evening.
Drop B tuning works on acoustic guitars.
The concert for two pianos will be played on the fourth day of the month that follows January, one hour later than 6pm. 
Pilson plays one instrument.
They were referring to a violin.
There are three instruments listened in this text
Pianos do not contain tuning pins and keys.
Tuning a piano is something that cannot be done.
Tuning a piano will not require that you play an offending not, it is best just to stick the tuning pin in your ear and listen.