Þorbjörg Jóhannsdóttir lives at Stóri-Núpur, is married to Karl Knudsen and they have two children.She is an organist at the Stóri-Núpur church, she is also a music teacher at Tónlistarskóli Árnesinga.
Þorbjörg first learned music at Tónlistarskóli Árnesinga and then later finished here diploma as an orgel player from Tónskóla þjóðkirkjunnar.
She worked for many years as an organist at Höfn í Hornafjörður.
Stóri-Núpur