IMSLP

Music of the greatest composers such as Bach, Beethoven and Mozart are all public domain and available free on IMSLP.

Chili Dog Strings

This is a great resource for all students but especially cellists!  Check out his website!  It's full of great videos and tips/tricks for mastering the cello!

Mrs. MTZ YouTube

Mrs. Martinez created a YouTube channel especially for her students in order to assist you at home.  Check out the channel.

Discover Double Bass

This is a great resource for double bass students looking to improve their skills!  Check out his website!  It's full of great videos and even different types of music!
Photo used under Creative Commons from cphoffman42