String quartet from the Netherlands, founded in 2010. For releases before 2010, please see Zapp String Quartet.
ALBA
Zapp4
In Bloom: The Music Of Nirvana
2017, CD, Album, ZenneZ Records, 
Hermine Deurloo & Zapp4
Welling
2015, CD, Album, Tin Wood Music
Graeme Stephen, Zapp4
Distances
2015, CD, Not On Label, 
Clint Allen / Martin Fondse / Zapp 4*
Impulse
2013, CD, Album, Ltd, Not On Label (Clint Allen Self-released), 
,
, Contemporary Jazz
Zapp4
We Suck Young Blood - The Radiohead Songbook
2012, CD, Album, Buzz-Records, 
,
, Classical/Contemporary
Zapp4
Radiohunter
2010, CD, Album, LLR Recordings, ,
, Contemporary/Modern/Neo-Classical
