Who wrote the single, "Talkin' 2 Myself," which pushed back the release date of BoA's "Love Letter?"
Love Letter (BoA song):  The original release date for this single was September 19, 2007 but it was pushed back a week to 26 September after the news of Ayumi Hamasaki's latest single, "Talkin' 2 Myself", was scheduled for release the same week. Ayumi Hamasaki: Ayumi Hamasaki (浜崎 あゆみ , Hamasaki Ayumi , born October 2, 1978) is a Japanese recording artist, lyricist, model, and actress.
Ayumi Hamasaki