Music played a big role in today’s Australia's Day celebrations Down Under, with children's favorites the Wiggles and British folk-rock quartet Mumford & Sons taking centre stage.

The Wiggles were recognized in this year's Australia Day (Jan. 26) honors list for services to the arts, particularly children's entertainment. The four original members of the group -- Murray Cook, Jeffrey Fatt, Anthony Field and Gregory Page - were each appointed Members in the Order of Australia, one of the country's highest civil honors.

Adored by toddlers worldwide and now in its 18th year, the act has generated global sales of more than 23 million DVDs and seven million CDs, and collected a slate of APRA song writing awards and ARIA Awards, including the ARIA Outstanding Achievement Award in 2003.

Business Review Weekly magazine pegged the Wiggles at No. 3 on the richest Australian entertainers list for 2009 with revenue of $45 million Australian ($40 million), beaten only by AC/DC and Kylie Minogue.

Australia's national day also spells the countdown of national state-owned broadcaster Triple J's Hottest 100, won this year by Mumford & Sons' "Little Lion Man" (Dew Process).

Since the radio poll first appeared in 1989, the counting-down of the "Hottest 100" has become something of an institution on the Australia Day public holiday, with millions across the country tuning in and keeping track of the poll. This year a record 1.1 million votes were cast, up 46% from last year.

British acts Muse and Florence and the Machine were among the most popular artists, each landing four songs on the poll. British alternative rockers Kasabian, New Zealand novelty act Flight of the Conchords' and Australian debutants the Temper Trap each had three songs on the chart.

Triple J, a division of the government-run Australian Broadcasting Corporation, typically plays alternative music, does not air advertisements and is considered a hugely influential taste-maker for the 18-24 year-old demographic.