 She also performed with John Barrowman at the 2009 Henley Festival (which was later broadcast on BBC Radio 2's "Friday Night is Music Night"), at the 2009 Edinburgh Fringe Festival and at Thank You for the Music – a special concert in Hyde Park celebrating the music of Benny Andersson and Björn Ulvaeus (of ABBA) in September 2009 – where "the unexpected highlight" of the evening was Ellis' delivery of the first UK performance of "You Have to Be There", a "tearjerker" from the pair's musical venture "Kristina från Duvemåla".Furthermore, she joined former "We Will Rock You" cast member Peter Johansson in his Swedish concert tour Champions of Rock which went to Gothenburg, Helsingborg, Vänersborg, Stockholm, Örebro, Uppsala and Norrköping in October 2009.A Swedish critic stated that Ellis, who "oscillates between low and high registers and makes it look so easy," outshined Johansson who led the concert.