If you are in need of a song but cannot find it in your key, please visit Quattro (norwegiansongs.net)which is a song transposition service developed by Njål Sparbo and Bente Elisabeth Finserås.
 
At Quattro you can purchase transpositions of any Edvard Grieg song in any key. Transpositions of songs by Geirr Tveitt and Rikard Nordraak are also available.