Listen to Verhogen Concentratie online. Verhogen Concentratie is an Instrumental language song and is sung by Meditatiekussen. Verhogen Concentratie, from the album Muziek om te Studeren - Ontspannende Meditatiemuziek om te Lezen en Studeren, was released in the year 2019. The duration of the song is 5:51. Download Instrumental songs online from JioSaavn.