Sakura, Tomoyo, and a Wonderful Song
A rumor spreads at Sakura's school that a ghost haunts the music room and sings at night. At first afraid to investigate, Sakura changes her mind when Yukito comments he would like to hear the ghost sing. Joined by Tomoyo, Kero, Syaoran, and Meiling, Sakura learns the ghost is the Song Card, and the voice she is impersonating is Tomoyo's.
Aired 30/09/1998EP 23 - Sakura, Tomoyo, and a Wonderful Song

1998
Cardcaptor Sakura
One day, Kinomoto Sakura, a 4th grader stumbles upon the mysterious book of Clow. Upon opening it and reading the name of The Windy aloud, Sakura scatters the cards to the winds. Sakura is elected and appointed by Keroberos, Guardian of the Cards to capture the remaining cards. With her friend Tomoyo and rival Syaoran, Sakura begins an adventure that will forever change her.