Dutch singersongwriter Bertolf Lentink (The Junes, Ilse DeLange) - www.bertolf.nl - performs his song "Monogamy (is on its way out)" with the Dutch acoustic band Muppetstuff at De Verhalenboot. Bertolf released his solo debut album FOR LIFE in January 2009. www.myspace.combertolf. www.bertolf.proboards.com.