File format for the exchange of resolution-independent, pixel-based (bitmapped) images, intended for very high quality moving image content for theatrical distribution; DPX masters provide the input for film recording (digital images back to film for projection) or D-Cinema digital projection systems.
Most modern pianos have a row of 88 black and white keys (52 white keys for the notes of the C Major scale (the notes C, D, E, F, G, A and B) and 36 shorter black keys, which are raised above the white keys, and set further back on the keyboard.
The black keys on the piano are divided into groups of three black keys and two black keys. Find all the groups of two black keys and play them. Find all the groups of three black keys and play them. Find all the groups of three white keys that surround the groups of two black keys and play them.