On 29 March 2010, Lava launched, specialising in all different types of rock music.
Lava was a sister channel of Channel AKA, and replaced Rockworld TV which operated on Sky channel 378.
Both the Lava and Channel AKA formats allowed viewers to decide on the station's playlist through the use of a voting system which enables viewers to watch the videos they want to see.
After being renamed to Greatest Hits TV, Lava still aired under a block named "Lava Showcase".
Greatest Hits TV
On 26 April 2011 at 11.45pm, Lava was renamed Greatest Hits TV.
On 24 August 2012, GHTV and Channel AKA were relaunched in 16:9 widescreen, with new graphics.
Greatest Hits TV moved from an 'artist showcase' format to a wider format including more multi-artist chart-countdown shows: single-artist programmes focused on major stars' work (typically billed as "Every Big Hit From [name]") continue to appear on occasion. In the relaunch, the channel also moved from mostly focusing on current artists to a cover broader range encompassing 80s and 90s hits as well as contemporary output. The relaunch also saw the Lava Showcase block dropped in favour of various-artist overnight block 'Insomnia'.
On 23 October 2013, Greatest Hits TV was replaced by NOW Music.
On 27 December 2016, NOW Music was renamed NOW 80s.
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