Vemana composed numerous poems in the vernacular of Telugu. His poems are four lines in length. The fourth line is, in majority of the cases, the chorus Viswadabhirama Vinura Vema - he thus conveyed his message with three small lines written in a simple vernacular.
Sumathi Satakalu http://www.youtube.com/course?list=EC1_0-ahjJfMIcVm9tqiciy8NGolet229X