Sayumi Michishige
Tanaka auditioned for a spot in Morning Musume's 5th Generation in 2001 and passed, but had to leave the training camp for being under the age limit. She attempted again in 2002 for a position in the 6th Generation and passed along with members Eri Kamei and Sayumi Michishige. She provided the main vocals for the single "Shabondama". She was featured in two solo versions of "Memory Seishun no Hikari" on a fan club release CD.