What is the fine-grained topic of the following text: The Last Waltz was advertised as The Band's "farewell concert appearance", and the saw The Band joined by more than a dozen special guests, including Eric Clapton, Ringo Starr, Bob Dylan, Ronnie Wood, Muddy Waters, Neil Young, Neil Diamond, Van Morrison, Bobby Charles, Dr. John, Paul Butterfield, Emmylou Harris, Ronnie Hawkins, Joni Mitchell, and The Staple Singers. Only return the topic.
The Band's farewell concert "The Last Waltz"