Rascal Flatts new album, 'Unstoppable,' hits stores tomorrow! To celebrate the new CD, The Boot has teamed up with the ACM Top Vocal Group winners to debut new tunes every day for the week leading up to its release. Each song premiere includes exclusive commentary from Gary, Jay and Joe Don.

Today, we bring you the 'Unstoppable,' a love song so powerful that we now understand why they decided to use the same title for the album.

Listen to 'Unstoppable'

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'

Sunday's Song: 'Holdin' On'