There are at least four artists with the stage name Becca:
1. Rebecca Emily Hollcraft, known as BECCA (ベッカ), is an American singer/songwriter and guitarist, also known as Bec Hollcraft and Becca-chan. She released her first full-length album "ALIVE!!" on November 5th 2008 in Japan. Currently her records are only available in Japan but can be imported to the US through various web sites.
2. BECCA is an American country music artist, who released a self-titled album on Nari Records in 2005.