In music, it's called pieces, not songs...Mozart wrote over 600 works during his lifetime, including 41 symphonies (Eine Kleine Nachtmusik), and 27 piano concertos. Three of his most famous operas...
Sonata K545 1st and 2nd movement Rondo Alla Turca (Turkish March)Piano Concerto no.21These are just a few. If you want to add more you can feel free to correct my answer.