sentences:  He played keyboards, percussion, and piano on "Rise", as well as extending his use of mixing and sampling technologies.Walder is CEO and founder of Creative Bids, a video bidding platform that allows a global audience to connect and bid for a wide range of services.Duets
  
  Trios
  
  Symphonic projects and soundtracks
  
  Collaborations
  
  With female vocalists
  
  Compilation appearances