Chris Cornell 's new project is ` ` ' '' I 've found that doing vocal warm-ups and Twitter at the same time , cause I 'm a multitasker . Former Soundgarden , Audioslave front man working with producer Timbaland . Rock star ##dom takes time , Cornell says . He once threw himself out window to sample old - school rock star activity .
Chris Cornell 's new project is ` ` ' '' Former Soundgarden , Audioslave front man working with producer Timbaland . Rock star ##dom takes time , Cornell says . He once threw himself out window to sample old - school rock star activity .