Alongside the theatre Tinna studied classical singing from 2012. First at Reykjavík College of Music and then at Nýi Tónlistarskólinn under renowned mezzo-soprano Alina Dubik.
Tinna has performed as a soloist at recitals as well as developing and performing a concert version of the new chamber opera Love (Ástin ein taugahrúga) by Anna Halldórsdóttir and Elísabet Jökulsdóttir at Mengi and at Harpa Concert Hall in Reykjavík.
Tinna performed her graduation recital in May 2023 and performed as a soloist with the Amateur Symphonic Orchestra in April 2023.