"Its meaning was attitude, an attitude of pride and hipness," Bowie collaborator Tony Visconti says of album title
"If Adele has taken my comments as offensive that was certainly not my intent," producer said in statement
Ultravox's Midge Ure, Stephen Street, America also pay tribute to "fifth Beatle"
"His energy was still incredible for a man who had cancer," longtime Bowie producer Tony Visconti says. "He never showed any fear"
Producer was iconic artist's most frequent collaborator over nearly five decades
Longtime producer Tony Visconti says Bowie may do a single concert to celebrate new LP
Producer says 'The Next Day' is 'quite a rock album'