William “Will” King, better known as Williguess, is a rapper, singer, and producer. He is also a member of rap collective FLAT PACK FUTURE with fellow musicians Sunny, Drippy/Homemade Bombs, Wilf Merson, and OWA. The group released their first EP, Flat Pack Future vol. 1, on August 19th, 2018, with single “BLOOM” acting as a teaser, (having been released the day before).

On January 10th, 2016, Will started putting his music on YouTube as “On Air” (and SoundCloud shortly thereafter). He posted numerous Lo-Fi Hip Hop instrumentals and rap beats made in the style of popular rappers to his channel, and released his debut EP k, kewl in December 2017 (a follow-up, k, kewl volume II, was released in January of 2018). The songs featured were the first to feature vocals done by Will.

In April 2018, Will released too sad to make happy music, too happy to make sad music, an album comprised of 11 tracks. While still occasionally producing type-beats, the album marks a transition out of a focus on Lo-Fi Hip Hop (though he often incorporates the style into the backing instrumentals of songs) and into more traditional rap music. With the release of the album also came the name change from On Air to Williguess.

Will has released [numerous singles] ( and has mentioned plans to release an EP on Instagram. On November 23rd, 2018, he released his single “pool,” which included an accompanying music video.

On December 17th, 2018, he released another single, “Out My Way!”.