Several other manufacturers, using various names stamped on their cover plates, for marketing purposes, have the exact same notation layout as a Lee Oskar Major Diatonic harmonica.

The original style of playing, known as 1^st Position (Straight Harp), is suitable for playing simple melodies, Folk music and various other types of music that call for melody lines, along with some chords. 1^st Position (Straight Harp), is still used by many players today, but due to its simplicity of sound, it is not as popular as 2^nd Position (Cross Harp).