Karin Hammar was born 1974 in the northern town Boden in Sweden. She studied at the Royal Conservatory of Stockholm between 1994-1999 and she has freelanced as full time musician since 1997. She has worked with most of the professional big bands in Sweden, but also with the European EBU Big Band. She has also played with internationally acclaimed Jazz Baltica Ensemble (with top musicians from northern Europe), some of the German radio big bands (WDR -West Deutsche Rundfunk and HR Big Band, Frankfurt) and Norwegian Trondheim Jazz Orchestra. Karin has toured and recorded with international jazz stars as Kenny Werner, Carla Bley, Tim Hagans, Steve Swallow, Gary Burton, Bob Brookmeyer, Maria Schneider. Karin is also a frequent soloist and has toured in numerous countries in the world, such as China, South Africa, Russia, the US, Canada, Turkey, Brazil, Malaysia, Borneo, Israel, The Phillippines. Karin Hammar has released 5 CDs in her own name (3 on Swedish labels, and 2 on German Skip Records) and 4 CDs together with her sister Mimmi Hammar with their former group Sliding Hammers. She has received numerous prestigious Swedish jazz awards, for example Alice Bab´s Award 2004 and most recently the Price from the Swedish Jazz Society 2017 due to being ”a fantastic ambassador for the trombone as an instrument and also for Swedish jazz, because of her fearless attitude towards new musical projects as bandleader, composer and soloist in different musical environments.”