John Charles Wiltshire-Butler (born 1 April 1975), known professionally as John Butler, is an Australian singer, songwriter, and music producer. He is the front man for the John Butler Trio, a roots and jam band, which formed in Fremantle, Western Australia in 1998. The John Butler Trio has recorded five studio albums including three that have reached number one on the Australian charts: Sunrise Over Sea, Grand National and April Uprising. His recordings and live performances have met with critical praise and have garnered awards from the Australian Performing Right Association and Australian Recording Industry Association.

On 29 June, Butler gave a live solo performance at Twist and Shout Records in Denver, Colorado, which was released in January 2008 as an eight-track EP, One Small Step, with A$1 from each record sold being donated to Oxfam's "Close the Gap" campaign. One Small Step was Butler's first official solo release. At the ARIA Music Awards of 2007, Butler performed "Funky Tonight" in a collaboration with fellow Australian musician Keith Urban. Radio station, Triple J's listeners voted Grand National their favourite album for 2007.  "Ocean" garnered John Butler newfound success when recordings of live performances of the song went viral on the internet. Butler made a cameo appearance in 2009 Australian film, In Her Skin, as a busker. The film's soundtrack featured three songs by the John Butler Trio, "Ocean", "Caroline" and "What You Want".  In July 2009, Butler undertook a solo overseas tour commencing in North America, where he played at the Montreal Jazz Festival, the Rothbury Music Festival in Michigan and The Mile High Music Festival in Denver. In North America he sold out headline shows in Toronto and Los Angeles. In Europe, Butler played at the Folies Bergere in Paris and London's Union Chapel. He also performed at Cannes, Amsterdam and Antwerp.  Upon his return in August, he took part in the Cannot Buy My Soul concert at the Queensland Music Festival. Butler performed alongside other local musicians (including Paul Kelly, Missy Higgins, Troy Cassar-Daley, Clare Bowditch, Tex Perkins and Bernard Fanning) reinterpreting the catalogue of indigenous Australian musician Kev Carmody. Butler's interpretation of the song, "Thou Shalt Not Steal", was included on the compilation album, and later was featured on the iTunes Deluxe album of Grand National. Butler participated at the Garma Festival of Traditional Cultures located in Northeast Arnhem Land in the Northern Territory.

Using a quote from the above article, answer the following question: Where else did he play?
Butler participated at the Garma Festival of Traditional Cultures located in Northeast Arnhem Land in the Northern Territory.