[10][11] He has performed worldwide and achieved international success in Australia, Indonesia, Thailand, Malaysia, Singapore, India and Sri Lanka among other places.

One notable appearance was during 'The Stars & Stripes Concert' in 1976, performing under the Sydney harbour bridge on a floating pontoon for Radio 2SM.

Since 1975 Koch has released 21 singles and 4 albums through record labels such as RCA, BMG, EMI and Sony.

The song was also presented by Geoffrey Lipman Chairman of ICTP at the 'Live the Deal Climate Change' conference in Copenhagen to all the World's leaders.

[14][15][16][17] In 2010, he was inducted into the Hard Rock Hotel's 'Hall of Fame' at a ceremony in Pattaya, Thailand, when the album, Kookaburra was installed on the venue's 'Golden Wall of Memorabilia'.

In April 2012 his latest album "Don't Funk With Me" written and produced by Alston & the Sherifs, debuted at No.