Alberto Carpani (April 23, 1956 – May 11, 2020) was an Italian singer. He was best known for his Italo disco releases in the late 1970's and early 1980's as Albert One, and his Eurodance release "Sing a Song Now Now" in 1999 as A.C. One. He was also a DJ and music producer. He was born in Pavia, Italy.