The MIDI 2.0 Protocol is an extension of the MIDI 1.0 Protocol. Architectural concepts and semantics remain the same as MIDI 1.0. Compatibility for translation to/from the MIDI 1.0 Protocol is given high priority in the design of the MIDI 2.0 Protocol.
Compared to the MIDI 1.0 Protocol, MIDI 2.0 Protocol messages have extended data resolution for all Channel Voice Messages. New properties have been added to some Channel Voice Messages, and new Channel Voice Messages have been added with greatly improved Per-Note control and much more musical expression.