sˈɪdənmˌɑː hˈæzbiːn fˈiːtʃɚd æz ɐ spˈɛʃəl ɡˈɛst ˌɔn mˈɑːɹkəs stɹˈiːɡəlz kˈɑːnsɚt ɪn tˈuː θˈaʊzənd ɪlˈɛvən ænd dˈoːɹoʊ pˈɛʃɪz kˈɑːnsɚt ɪn tˈuː θˈaʊzənd fˈoːɹtiːn.
Sydänmaa has been featured as a special guest on Markus Striegls concert in 2011 and Doro Pesch's concert in 2014.