Gespeeld in 2013:

- Amstel Bigband in concert in Monickendam
- CottonClub All Star Jazz Band
- Studiojob in Milano, Italy with Nicoline Snaas and Jan Verwey
- McTwo
- Molenaar Bigband at Bakkum and Alkmaar
- Akki Haak Band @ twee Spieghels in Leiden
- Nicolina Snaas (voc.) Trio feat. Jan Verwey (harm.) Amsterdam
- ArtEric Diepraam Ensemble @ Arti et Amicitiae Kunstenaars SociŽteit Amsterdam
- Amstel Bigband in Brielle
- Heuwekemeijer, Lumeij and Hierdeis @ Jazzfestival Singer Laren
- Jazztrio with Anne Brattinga (voc.) and Diego Rodriguez (db.) @ Wijk 7, Amsterdam Zuidoost
- Ascot Jazzduo (with Paul Mulder db.) in Naarden
- McTwo in Restaurant Long Island, Hoofddorp
- Heuwekemeijer (sax) and Hierdeis in Huize Molenaar, Utrecht
- Amstel Bigband @ Arsenaaltheather in Vlissingen
- DUODUO (with Andreas Metzler - db.) @ Badcuyp Dinerconcert
- Vocal Jazz Duo with Esther Croez @ Restaurant Frenzi
- CottonClub AllStars feat. Paul van der Veen (sax) with Dick Verbeek (drs) and Anton Drukker (db)
- Amstel Bigband in Amsterdam
- McTwo in R'dam, A'dam en Hoevelaken
- CottonClub AllStars feat. Paul van der Veen (sax) with Dick Verbeek (drs) and Anton Drukker (db)
- McTwo met Ton Derksen in Mereveld
- Akki Haak Band @ Artishock in Zeist
- Amstel BigBand @ BigBand Concours Goor (we won the 1st price, out of 10 national BigBands ;-)
- Yvonne Roth Trio, Amsterdam
- Solveig Borgen Jazz DUO @ Cafe Bloemers, Amsterdam
- Akki Haak Band @ Artishok in Zeist
- DUODUO feat. Julia Philippens (viol.voc) @ Badcuyp in Amsterdam
- Akki Haak Band at radioshow "Mijkes Middag" (MC Toko, Westergasterein, Amsterdam)