Berlin’s Markus Nikolaus, perhaps better known as one half of the duo making up Lea Porcelain, drops his debut solo single, “Bicycle Day,” an hors d’oeuvre for his forthcoming album, The Acid Kids. According to Nikolaus, “‘Bicycle Day’ is a playful and psychedelic song that was originally written during the 1st Berlin lockdown after a very long bike ride and under the influence of mind-altering substances, together with my girlfriend, Sara.” The song’s title, “Bicycle Day,” refers to April 19, 1943, when chemist Albert Hofmann took 250 micrograms of LSD. Feeling unfocused, Hofmann rode his bike home. Since then, acid aficionados celebrate every April 19 as Bicycle Day. The music for The Acid Kids was written in Funkhaus Berlin during the lockdown of 2020-2021 and was initially intended for...