Muskuraaye Jaa MP3 Song Download PagalWorld. Muskuraaye Jaa song from the Hindi Movie 99.9 FM (2005) is sung by . Released in 2005. Download Muskuraaye Jaa Song In 192 Kbps and 320 Kbps MP3 quality. Muskuraaye Jaa MP3 Song Download PagalWorld From 99.9 FM .