In 1998, Kärmas participated in Eurolaul, the Estonian national final for the Eurovision Song Contest, where she provided backing vocals for "Unistus igavesest päevast", sung by Evelin Samuel. The year after she did the same and also wrote lyrics for "Diamond of Night" that went on to represent Estonia at the Eurovision, held in Jerusalem. Kärmas has been a regular in Eurolaul ever since, for her varied skills either as a songwriter, sololist or backing singer.
Maian Kärmas is also a presenter and editor at the radio programmes of the Estonian National Broadcasting.
- "Maian Kärmas: "Võidutunne ei ole tänaseni kohale jõudnud."" (in Estonian). Õhtuleht http://www.ohtuleht.ee. Retrieved 15 January 2010.