* [https://www.youtube.com/watch?v=Y5vfIIEadLw&index=1&list=PL1iSwi3lgFjG6IkQ_7oOF-XwQJWIvkxlr Holgers first simple test playing with an Electric Piano - nothing special!] | * [https://www.youtube.com/watch?v=Y5vfIIEadLw&index=1&list=PL1iSwi3lgFjG6IkQ_7oOF-XwQJWIvkxlr Holgers first simple test playing with an Electric Piano - nothing special!] |