Lia is a female Japanese singer-songwriter who is a former member of I've Sound. Lia has also participated in happy hardcore singing, producing three such albums with this style of singing. Both of these albums have her name in all capital letters. She is notable as the singer for the opening and ending themes of two of Key's visual novels: Air and Tomoyo After: It's a Wonderful Life. Lia also performed the theme song for the MMORPG RF Online entitled "The Force of Love". She has also performed some eurobeat songs for Initial D 4th Stage entitled "All Around" and "Sky High" under avex trax production.

Helen Humes (June 23, 1913 - September 9, 1981) was an American jazz and blues singer. Helen was born in Louisville, Kentucky. She moved to New York and became a recording vocalist with Harry James big band in 1937. Her swing recordings with Harry James included “Jubilee”, “I Can Dream Can’t I”, “That’s The Dreamer In Me” and “Song Of The Wanderer”. Helen Humes became one of the vocalists with Count Basie’s band in the late 1930s. Her vocals with Basie’s band included “