It has been revealed that MBLAQ member G.O has produced the title song for rookie group A-PRINCE first single.

On July 23, they released their first single, "You're the Only One" music video teaser on their official Youtube channel.

MBLAQ G.O has recently finished filming for the drama, "Ghost."

An official stated, "G.O has never given out his songs to anyone else. We are honored to have received his song."

A-PRINCE's title song was also produced with the help of MBLAQ's Mir who helped with the lyrics.

A-PRINCE's title song will be released at midnight on July 25.