Tune in to the Tom Dunne show tonight to hear Tom chat with punk patriarch Henry Rollins.

In the 80's Henry fronted hardcore punk band Black Flag, before going on to form The Rollins Band.  In recent times he's probably better known for his spoken word performances, writing, radio and TV work.

In this wide ranging interview Henry explains why he's done with music, why he's still angry and what drives his work.

Today marks the 40th anniversary of Led Zeppelin's Physical Graffiti.

The double album went platinum 16 times over in the US, and is widely regarded as one of the band's greatest works.   The album is home to some of Zeppelin's most loved songs - the epic Kashmir, bluesy In My Time of Dying, to the heavy funk-rock of Trampled Underfoot. 

Author Nick Wall explains why Physical Graffiti is such an important album.

The Tom Dunne Show on Newstalk - tonight from 10pm