Question: what are major keys on a piano?
Answer: C Major. Notes: C, D, E, F, G, A, B, C. Fingerings (LH): 5, 4, 3, 2, 1, 3, 2, 1. ... 
E Major. Notes: E, F#, G#, A, B, C#, D#, E. ... 
G Major. Notes: G, A, B, C, D, E, F#, G. ... 
B Major. Notes: B, C#, D#, E, F#, G#, A#, B. ... 
D# / Eb Major. Notes: Eb, F, G, Ab, Bb, C, D, Eb. ... 
G# / Ab Major. Notes: Ab, Bb, C, Db, Eb, F, G, Ab.