Two-row vs three-row button accordion
I am interested in starting playing the button accordion.
A friend is offering to sell me a b/c/c# and I’m wondering what the benefits and downsides are of a three-row as compared to a two-row.
I know one-row is limited in key, but 2 row is already chromatic, so why does 3 row even exist? Why do people like Sharon Shannon play only 2 row? Maybe it’s lighter?
Thanks in advance for the help!