Chris Cornell has no plans to reunite with his former bands Soundgarden or Audioslave - because he is more interested in making new music than in rehashing previous hits.
The rocker stunned fans when he announced he would collaborate with hip-hop producer Timbaland for his solo album Scream.
But he insists he would rather continue to reinvent his musical style with unexpected collaborators than revisit the glory days of his previous rock groups.
He says, "I prefer to look forward rather than backwards and I'm moving too fast to consider doing it. Reuniting with people should be the draw, not the money.
"It's important I don't repeat myself. Rock music has a tendency to be more nostalgic - unlike hip-hop, which is one of the reasons I worked with Timbaland."