In what year was the album “Y” released by MBLAQ?

In what year was the album “Y” released by MBLAQ?: The album “Y” was released in 2010 by MBLAQ, featuring 6 tracks.
What is the most successful song from the album “Y” by MBLAQ?: “One Better Day” is the biggest hit from the album “Y” by MBLAQ.

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