There are many more individual songs available for immediate download.
Books
Beethoven’s Wig Sing Along Symphonies SongbookBeethoven’s Wig Fun And Easy Piano SongbookBeethoven’s Wig Sing Along Piano Classics SongbookIndividual sheet music for the song “Beethoven’s Wig”Beep Beep BeepBeethoven's Wig Sing Along Symphonies SongbookBeethoven’s Wig: Sing Along Piano Classics Songbook Beethoven’s Wig: Choral EditionCan You Can Can?: Choral EditionBeethoven’s Wig Book