You have bought a ticket for Hidden Gems live in Rotterdam on 24 May.
The concert location is still secret. Can you guess where it is?
Raise your light here! We give you a new hint every week.
Play along and win a unique prize.

Guessed the location?

Send us your answer and win a unique live concert by Calefax at your home, or win a copy of the album Hidden Gems.
Tip: on the left you can see the number of characters. More letters will be added every week!


Participating in the game is possible until 11 May

– After 10 May all concert locations will be reveiled.
– Entries received before 10 May 23:59 will compete for a prize.
– You can play multiple times by sending in several answers.
– An exclusive living room concert by Calefax (in The Netherlands) will be allotted as the main prize.
– Three Hidden Gems albums will also be allotted for each city.
– The sooner you submit your answer, the greater your chance of winning.
– After 11 May, we will announce the prize winners.
– The results are not open to discussion.

Treasure Hunt

Will you join our musical quest?

Download the free Hidden Gems app and let yourself be carried away on an exciting musical journey full of secret encounters, personal memories and unexpected moments.