Finding songs for the diatonic Richter harmonica (blues harp) is not easy. Many songs can only be played in the upper octave; otherwise advanced techniques like bending have to be applied.

Perry Letsch has looked through hundreds of German songs and examined them for their suitability. The results are songs suitable both for the beginner and the advanced player. Some songs have been provided with their own solos.

Apart from popular folk songs the edition includes standards such as "Abile...