What a great audience during A-CA15 a cappella festival last weekend in Berlin! We loved performing for you! Thanks!

Kom je ook want deze dag mag je niet missen! fb.me/7t2kh0HBD

driekblog : First concerts of the Dutch Organic Choir [24 march 2015] fb.me/1DYUpAGCh

My first composition ever, sung by Dutch OrganicChoir youtu.be/KHcMu66EJN8

Great concerts past weekend, more on sunday! Check it out: youtu.be/YuvOlD22GVs #IntoTheLight

Great job! New Amsterdam Voices #fb x.com/na_voices/stat…

NEWS! #education #acappella #proud

And part 2 of my post..! #acappella #education

Check out my Master's Project 'Dutch Organic Choir' here! Thanks Peder Karlsson and Dutch OrganicChoir #acappella #innovation drive.google.com/file/d/0B5QB6z…

Hello Pécs, Hungary EUROPA CANTAT 2015 is on! #choralmusic #acappella

Vocal Leadership News Overview!! merelmartens.eu/blog/big-vocal… #vocalmusic #innovation #Acapella #education

The MAZE website will be online soon! Stay tuned to sign up for an audition to join this ambitious new vocal group!

MAZE is online! Now is the time to sign up for an audition. Check out our brand new website: mazevoices.com

.@Martensmerel schreef een blog over MAZE! - go.shr.lc/29xdamo

#zingen bij ambitieuze nieuwe #vocalgroup in Rotterdam? mazevoices.com

Last-minute beslissers voor een tof #workshop weekend met 90's #Acapella en heeeerlijk eten in Brabant vlgn week? facebook.com/events/1003723…

Zaterdag #inspiration day #vocal #leadership bij Codarts met Peder Karlsson en mij! Er is nog plek! Aanmelding via codarts.nl/vocal-leadersh…

Pitch Control PR - boem! Wat een fijne flashmob. Thanks for making our day. #modh16