Hohner 2504 Comet 40 Octave Harmonica - Key of C

Octave tuned harmonica with enlarged tonal range and high volume. Similar to its sister harmonica, the tremolo, octave harmonicas are also double reed instruments. The bottom row of holes features the same notes as the top row, with reeds tuned exactly one octave apart. This enables a solo player to get a stronger, richer bodied sound than with a single reed harmonica. Octave models are popular in Cajun, Old Time, Celtic and Traditional music.