String instrument strings, or play them by rolling the bell of a brass instrument such as a trombone on the array of strings. However, these are relatively rarely used special techniques. Other keyed string instruments, small enough for a strolling musician to play, include the plucked autoharp, the bowed nyckelharpa, and the hurdy-gurdy, which is played by cranking a rosined wheel. Steel-stringed instruments (such as the guitar, bass, violin, etc.) can be played using a magnetic field. An E-Bow is a small hand-held battery-powered device that magnetically excites the strings of an electric string instrument to provide a sustained, singing tone reminiscent
Anna Katharina Kränzlein across the hurdy-gurdy in 2000 when she met hurdy-gurdy maker Karl Riedl and built an instrument with him for her specialised course in music at school. Since the second Schandmaul album, she plays the hurdy-gurdy with the band, since the fourth album she also participates in texting and composing and with the fifth album she also contributed viola parts. From 1998 to 2000, Kränzlein read music at the Munich Conservatory with Urs Stieler. In 2001, she moved to the Saar University of Music at Saarbrücken where she studied with Ulrike Dierick. There she played with the University Orchestra under Max