Mid kasta oo ka mid ah heesaha waxaa heesay Lia of I've Sound iyo ereyada waxaa qoray Jun Maeda. Shan ka mid ah jilayaasha waxay leeyihiin leitmotifs, ama heesaha muusikada asalka ah ee saddexda halyeeyada, Kanna, iyo Michiru. Heesta Misuzu waa "Natsukage" (夏影, Summer Lights); Kano's waa "Mizutamari" (水たまり, Puddle); Min Min's theme waa "Niji" (虹, Rainbows); Kanna's theme waa "Tsuki" (月月, Moonly Child); Mid kasta oo ka kooban shan CD oo keli ah oo ka kooban heesaha asalka ah waxaa soo saaray Lia of I've Sound oo ay ku jiraan shan heesood oo asalka ah. Labada heesood ee asalka ah waxaa lagu soo saaray bishii Maarso 2001 oo ay ka koobnaayeen laba heesood oo asalka ah heesaha asalka ah ee laga soo saaray filimka asalka ah ee la yiraahdo "Airbus" oo ay soo saareen shirkadda Key &amp; Repair
Calaamadaha Codka Muhiimka ah