Artist credit “Roland Brüggen / Voices / Vambo Combo / Die Kolibris / John & Ron”
This artist credit is composed of the following artists:
- Roland Brüggen
- Voices (A Cappella Group)
- Vambo Combo (Kölsche Musik)
- Die Kolibris (trio from Cologne ("Hände zum Himmel"))
- John & Ron