English Art/Literary Idioms / Maxims / Sayings

Soon afterward, he sold his Volkswagen bug and, with his father's help, purchased his first keyboard. His next acquisition would be a sampler, eventually followed by one turntable with which he would mix records with his own productions; these first tapes were made under the moniker Rhythmic Mind. It was not until 1998 that he would direct serious attention to DJing.


On an ------acid-infused----- hike in the wilderness, the name Rithma was born. Continuous solo studio experiments eventually prompted pressings of Rithma 001 and Rithma 002, the latter of which garnered some attention from New York's Under Cover Music Group (UCMG) and led to his first legitimate release in 2000, which he produced with Scott Findley. Since then, there have been numerous productions on the aforementioned labels and an accompanying DJing career that has taken him to many destinations in the Western United States as well as abroad to far off countries like Lithuania.


I think this "acid-infused hike" has some deeper/second meaning or an idiomatic expression which i cannot see. Can you help me to figure it out?