Topmusicanswers
What is a 48 hole harmonica called?
And later that I found out that it's called a tremolo. It has 2 rows of holes, each with 24 holes. So it's 48 holes in total.
What is a 24 hole harmonica called?
About the Tremolo Harmonica
In Asia there are two main tremolo types, the 24 hole, used in China, the 21 hole, used in Japan and elsewhere. ... Both reeds sound when the instrument is played, producing a wavering tremolo sound (hence the name), somewhat like an accordian.
