Strictly speaking, diatonic denotes any harmonica designed to play in a single key—though the standard Richter-tuned harmonica diatonic can play other keys by forcing its reeds to play tones that are not part of its basic scale. ... Other diatonic harmonicas include octave harmonicas.

What is difference between diatonic and chromatic harmonica?

Diatonic – which only contains the notes of a specific scale and are mainly used in Blues, Rock, Country and Pop music. Chromatic – which can play all notes in the chromatic scale and are mainly used in Jazz and Classical music.

Which harmonica is best diatonic or chromatic?

The diatonic harmonica is awesome for every style of music including country, blues, rock, gospel, hymns, spirituals, folk and even classical music. That said, the chromatic harmonica is often considered best for jazz and complex classical music.