Musicpic: the search term originator=('Atelier Ortho, Hfors') results in 6 hits
1.
William Hammar ? m.fl.
2.
William Hammar ? m.fl.
3.
balettscen ur Prinsessa Ruusunen
4.
William Hammar m.fl.
5.
William Hammar ? m.fl.
6.
William Hammar ? m.fl.