text: In 2008, Tench became part of a supergroup, initially named The Scrolls, now officially known as Works Progress Administration (W.P.A.). The band is composed of Tench, Sean Watkins (guitar), Sara Watkins (fiddle), Glen Phillips (guitar, vocals), Luke Bulla (fiddle), Greg Leisz (various), Pete Thomas (drums), and Davey Faragher (bass). The group released a self-titled album in September 2009.  Tench penned one of the songs on the album, named "The Price," sung by Sara Watkins and himself.
  Tench has worked extensively with other musicians, playing keyboards on hundreds of songs on albums such as Stevie Nicks' Bella Donna, Bob Dylan's Shot of Love, along with other musical greats such as  Johnny Cash, Roy Orbison, Alanis Morissette, Eurythmics, Fiona Apple, U2, X (American band) and he’s featured on “Depending on You” on The Rolling Stones Hackney Diamonds 2023 album, among many more.
  In 2009, Tench frequently appeared with the Watkins Family Hour at Largo at the Coronet in Los Angeles. He has also appeared at the Largo and at the Fillmore in San Francisco as a special guest with Gillian Welch and David Rawlings, and accompanied the Dave Rawlings Machine on part of their west coast tour in spring 2010. In 2015, the Watkins Family Hour released their debut album and went on a national tour.