21 Year old man with an electric guitar

I am looking for both single or not single rooms, my needs are:

I always bring my guitar with me but I hope not to be too annoying for you;

I need to host a guest for 3-4 nights. 

I will study Language Translation in the winter semester 2018/2019. For the rest, I do not have other special necessities, of course I would like to find an accomodation which is not too far from the University of Innsbruck and which does not cost too much.