Ashley Anderson, a.k.a. Katalyst or Supa K, is an australian beatmaker and producer. He was first member of the hip-hop-electro duet Moonrock.
He began his solo carreer in the beginning of the 2000’s, collaborating with different artists like soul singer Stephanie McKay.
In 2012, he integrate the “supergroup” Quakers with Geoff Barrow and 7-Stu-7, signed on the label Stones Throw. On the same label, he entirely produced the album of Guilty Simpson, Detroit’s Son, in 2015.