Analogue Bubblebath Vol I was the first EP released by electronic musician Richard D. James under the alias of The Aphex Twin on the 1991 issue, and AFX on subsequent issues. It is the first release in the Analogue Bubblebath series. It was reputedly first put together by James at age 17. The EP consists of four tracks, all done in the acid house style which was popular at the time.