ANSWER:

This is totally prohibited!

Break it and throw it so that nobody else would be able to play it otherwise you will gain their sins as well!

QUESTION: My dad bought me a guitar, at that time I wasn’t aware of islam much and didn’t know music was haram until I studied Islam thoroughly and found out about how haram it is however, the guitar bought by my father costed a lot and I wondered if I could still use it ( not for music but nasheed or something) because he bought me after I insisted it ( like millions of time)