Father and son [Enregistrement sonore] / Wagner, comp. ; Simon O'Neill, T ; Pietari
Inkinen, dir... [et al.]. EMI classics 50999 4 57817 2 8
Pietari Inkinen - http://www.pietariinkinen.com (2010-08-13)
Wikipedia - en.wikipedia.org/wiki/Pietari_Inkinen (2010-08-16)