I don't get this game.
It's just cryptic crossword clues to do with music. If you're not used to doing cryptic crosswords it might seem strange, but most people have come across them!
For instance the answer to "Schubert's dodgy tutor" is simply an anagram of the word 'tutor'. The Trout Quintet is one of Schubert's most famous compositions. 'Dodgy' is the adjective that makes you think it's an anagram.