Tonic is the self-titled fourth studio album by modern rock band Tonic. The project was originally announced in 2008, marking an end to the band's four year hiatus. Writing and recording for the album carried through summer and fall of 2009. Recorded primarily at Conway Studios in Hollywood, California, the album was co-produced by Tonic and Nathaniel Kunkel. The first single from the album was the track "Release Me". Promotion for the album consists of a multi-faceted approach, combining traditional radio and tour promotion with social networking technology like Twitter and MySpace. Critical reception to Tonic has been positive, with Alternative Addiction rating the album 4.5 out of 5 stars, and Allmusic giving "Tonic" 3 of 5 stars. The album was released on May 4, 2010 in North America. The band is currently on tour to coincide with this album's release.