hip hop group ASAP Mob. He featured with ASAP Rocky on the song "Praise the Lord (Da Shine)", the second single from his third studio album Testing on 26 June 2018. It was the third collaboration between both artists, following Skepta's appearance on Cozy Tapes Vol. 1: Friends and ASAP Rocky's appearance on Skepta's Vicious EP in 2017, which also featured ASAP Nast, Lil B, and Section Boys. The song was successful in a number of countries, peaking at number 45 on the Billboard Hot 100 and number 18 on the UK Singles Chart. It was later certified Platinum by the Recording Industry Association of America (RIAA) and gold by the British Phonographic Industry (BPI). Skepta also collaborated with American rapper Playboi Carti on the single "Lean 4 Real" from his debut studio album Die Lit, also released in 2018. In 2017, Dave did a freestyle on American radio station Power 106 Los Angeles which has accumulated over 1,000,000 views on YouTube. In 2018, Dave achieved his first UK number-one hit with "Funky Friday" which featured British rapper Fredo. Dave's debut album, Psychodrama (2019), debuted at number one on the UK Albums Chart and became the most-streamed first-week British rap album in the UK with a total of 23.6 million streams. The album was highly acclaimed and won Dave a Mercury Prize. Slowthai released his debut studio album, Nothing Great About Britain, in 2019. The album was nominated for the Mercury Prize. He performed at the 2019 Mercury Prize ceremony, where he controversially held a fake severed head of British Prime Minister Boris Johnson on stage. Little Simz also released Grey Area in 2019 to much acclaim. Road rap Road rap (also known as British gangsta rap) is a genre of music pioneered in South London, primarily in Brixton and Peckham. The genre was pioneered by groups such as PDC, SMS, SN1, North Star, MashTown and U.S.G. and artists such as Giggs and K Koke and later Nines and Sneakbo. The genre came to the fore as a backlash against the perceived commercialisation of grime in the mid-late 2000s in London. The genre came to prominence around 2007 with the rise of Giggs. Road rap retained the explicit depictions of violence and British gang culture found in some early grime music and combines it with a musical style more similar to American gangsta rap than the sound system influenced music