Erwin and Annemarie.
Erwin and Me. Erwin was a reknowned accordion player in Switzerland.
To here a clip of one of Erwin's most famous Songs, Fitness,
From Laughing Accordion, Song #01, Fitness, March, Erwin Stahel, Harmonika orchestra, Kirchberg Vreni weber
Annemarie, Erwin and his Brother
links of interest