Ai Carina Uemura , known mononymously as Ai, is a Japanese-American singer-songwriter, rapper, record producer, spokeswoman, and actress. Born in Los Angeles, California, Ai moved to Kagoshima, at age 4. Motivated to become a singer, Ai returned to Los Angeles during her adolescence, attending the Los Angeles County High School for the Arts. While in Los Angeles, Ai performed as part of a gospel choir at a Mary J. Blige concert and appeared as a backup dancer in Janet Jackson's music video, "Go Deep". She briefly joined the Asian girl group SX4 in 1999 until she graduated high school.

Universal Music LLC , often referred to as just Universal Music Japan or UMJ, is a Japanese subsidiary of the Universal Music Group founded in 1990. It is the largest subsidiary for a foreign company in Japan regarding music distribution. The company is responsible for marketing and distribution in Japan for Japanese releases under Universal.