Fans only have to wait two more days until Rascal Flatts' 'Unstoppable' album hits stores. But you don't have to wait to hear new music. The Boot has already debuted eight songs from the new album, with exclusive commentary from Gary, Jay and Joe Don before every song. Today, we bring you the ninth: 'Holdin' On.' It's a breakup song that will hit home with anyone who's ever been brokenhearted.

Listen to 'Holdin' On'

Tuesday's Songs: 'Love Who You Love,' 'Forever,' 'Things That Matter' and 'Here Comes Goodbye.'

Wednesday's Song: 'Once'

Thursday's Song: 'Why.'

Friday's Song: 'She'd Be California'

Saturday's Song: 'Close'