Days are getting longer and the temperature has gone up just a bit... what to do?

Saturday:

Wolfpin is having a CD release party at Meloe Melo; 10pm, €5.

A true world music "nomad" Nynke Laverman plays at the Muziekgebouw; 8:30pm, €28

Sunday:

Taiwanese-American Jazz singer Vienna Teng plays Bimhuis; 2pm, €18.

The Netherlands Opera does Carmen; Het Muziektheater, 11:30am, tickets start around €30.