Bach, Beethoven, Brahms, Chopin, Diabelli, Dvorak, Offenbach, Saint-Saëns, Taggart and Tchaikovsky . FLUTE TUTOR. This supplement to the main tutor includes duets, trios and piano accompaniments. Almost all treble clef staves of the piano parts can also be played as 2nd flute parts. Pieces are approximately Grade: Beginner - 1 standard.