Sei Du Selbst (Baltimore 1692 feat. Isgaard)
At Night (Curfew meets Isgaard)
Miss Fate (Curfew meets Isgaard)
Precious World (Curfew meets Isgaard)
Snowflakes in June (Curfew meets Isgaard)
The Trip (Curfew meets Isgaard)
Turn Around (Curfew meets Isgaard)
Wo Bist Du (Curfew meets Isgaard)
One World (Isgaard & Kind of Blue & David Serami)
Into the Night (Isgaard & Loic Rathscheck & Scarlet Soho)
Dreams Will Never Die (Isgaard feat. Galileo)
One World (Isgaard, Kind of Blue & David Serami)
My Sweet Indian Child (Leo Rojas feat. Isgaard)
Son of Ecuador (Leo Rojas feat. Isgaard)
Elements 18 (Rainbow Serpent & Isgaard & Thomas Kagermann)
Ark (Rainbow Serpent & Isgaard)
Beautiful Child (Rainbow Serpent & Isgaard)
Beyond New Worlds (Rainbow Serpent & Isgaard)
Elements 1 (Rainbow Serpent & Isgaard)
Elements 2 (Rainbow Serpent & Isgaard)
Gateway (Rainbow Serpent & Isgaard)
Intense (Rainbow Serpent & Isgaard)
Leave & Love (Rainbow Serpent & Isgaard)
Memory Leaves (Rainbow Serpent & Isgaard)
Rub Al-Chali (Rainbow Serpent & Isgaard)
Sands of Time (Rainbow Serpent & Isgaard)
Stranger (Rainbow Serpent & Isgaard)
Wide Open Spaces (Rainbow Serpent & Isgaard)
Dream of You (Schiller Mit Peter Heppner & Isgaard)
A Beautiful Day (Schiller feat. Isgaard)
Ein Schöner Tag (Schiller feat. Isgaard)
Ein schöner Tag (Schiller feat. Isgaard)
Dream of You (Schiller feat. Peter Heppner & Isgaard)
Belle âme (Syrinx Call feat. Isgaard)
Blue Hour (Syrinx Call feat. Isgaard)
Both Sides of the Mirror (Syrinx Call feat. Isgaard)
Breathe In (Syrinx Call feat. Isgaard)
Des Kaisers Vermächtnis (Syrinx Call feat. Isgaard)
In a Daze (Syrinx Call feat. Isgaard)
La Vie Oubliée (Syrinx Call feat. Isgaard)
Libertine's Dance (Syrinx Call feat. Isgaard)
Magic Market (Syrinx Call feat. Isgaard)
Quantum Theorie and Philosophy (Syrinx Call feat. Isgaard)
Raqs Sharky (Syrinx Call feat. Isgaard)
Requiem for a Dream (Syrinx Call feat. Isgaard)
Scars (Syrinx Call feat. Isgaard)
Stillborn (Syrinx Call feat. Isgaard)
Sunday Mood (Syrinx Call feat. Isgaard)
Syrinx Call (Syrinx Call feat. Isgaard)
The Castle (Syrinx Call feat. Isgaard)
The Man in the Spotlight (Syrinx Call feat. Isgaard)
The Minstrel's Song (Syrinx Call feat. Isgaard)
The Moon on a Stick (Syrinx Call feat. Isgaard)
The Place Where We Will Meet / Four Is a Crowd (Syrinx Call feat. Isgaard)
Traces in My Mind (Syrinx Call feat. Isgaard)
Wait for the Light of Day (Syrinx Call feat. Isgaard)
When Worlds Unite (Syrinx Call feat. Isgaard)
Day by Day (Zen-Men feat. Isgaard)
A Billion Souls All Still Alone
Choni - The Children of Bhutan
I Burn for You (original version)
Living on Mars (original version)