Starfire (Alexander Perls vs. Dave Kurtis)
Music and You (Alexander Perls vs. PhonJaxx)
Revolution on the Dance Floor (Alexander Perls vs. Thomas Falke)
Say My Name (DJ Antoine vs. Mad Mark feat. Alexander Perls)
Starfire (Dave Kurtis feat. Alexander Perls)
Starfire (Doktor feat. Alexander Perls)
Unknown (Doktor feat. Alexander Perls)
So in Love (Houseshaker & DJ Nico feat. Alexander Perls)
Hate 2 Love You (Houseshaker feat. Alexander Perls)
Love Can't Hold Me Back (Houseshaker feat. Alexander Perls)
War Anthem (Houseshaker feat. Alexander Perls)
Heatwave (Julien Créance feat. Alexander Perls)
Anywhere You Go (Mad Mark feat. Alexander Perls)
Times of My Life (Noir feat. Alexander Perls)
Starfire at Night (Phynn feat. Alexander Perls)
Soulseeker (Ronski Speed With Stoneface & Terminal feat. Alexander Perls)
White Flame (Ronski Speed feat. Alexander Perls)
Soulseeker (Ronski Speed with Stoneface & Terminal feat. Alexander Perls)