All Light is the debut Korean-language studio album by South Korean boy band Astro. It was released on January 16, 2019, through Fantagio Music.[1] The album was released following a hiatus due to internal issues at their label.[2] It debuted atop the Gaon Album Chart and reached the top 10 of the US Billboard World Albums chart.
The lead single from the album, "All Night", was called a "soulful dance track" with a "snapping beat guided by groovy synths", a "dynamic beat drop" and a "rhythmic chorus" by Billboard.[2] It was described as showing a "mature" side to the group.[1] The song's lyrics are about a man wanting to talk on the phone "all night" with his love interest.[1] The rest of the album features ballads, as well as electronic pop and dance songs.[1]
