Related Information for Gravitonas Gravitonas is a brand new Stockholm-based music project, fronted by lead vocalist Andreas Öhrn and celebrated record producers and songwriters Alexander Bard and Henrik Wikström. Gravitonas was formed in the autumn of 2009 and immediately signed by Maria Molin-Ljunggren to her Universal Music-associated company Lionheart Music, where the band is the first act to be launched on the brand new pop/rock label Sofo Records with the release of the Gravitonas debut single and vid.. read more