Lee Oskar Major Diatonic- "The No. 1 HarmonicaLessons.com diatonic harmonica recommendation. The serious beginner can't go wrong with the standard Lee Oskar major diatonic in the key of "C". It is a bit more expensive than some of the other brands, but worth the price for it's consistent volume, tone, and durability. Its airtightness makes it easier to learn to bend on. Be sure to use the pulldown menu to select the key of "C" if you are just starting out..."