O Holy Night made famous by Carrie Underwood
• 11 customizable audio tracks:
(Click, Drum Kit, Bass, Electric Guitar, Piano, Glockenspiel, Vibes, Bells, String Section, Harp, Lead Vocal)

O Holy Night made famous by Josh Groban
• 12 customizable audio tracks:
(Click, Timpani, Cymbals, Bass, Piano, Synth Pad, String Section, Harp, Brass Instruments, French Horn, Oboe, Lead Vocal)

Oh, Pretty Woman made famous by Pretty Woman (film) (Roy Orbison)
• 10 customizable audio tracks:
(Click, Drum Kit, Bass, Rhythm Acoustic Guitar, Lead Acoustic Guitar, Rhythm Electric Guitar, Lead Electric Guitar, Piano, Backing Vocals, Lead Vocal)

Oh, Pretty Woman made famous by Roy Orbison
• 10 customizable audio tracks:
(Click, Drum Kit, Bass, Rhythm Acoustic Guitar, Lead Acoustic Guitar, Rhythm Electric Guitar, Lead Electric Guitar, Piano, Backing Vocals, Lead Vocal)

Old Time Rock & Roll made famous by Bob Seger
• 12 customizable audio tracks:
(Click, Drum Kit, Shaker, Bass, Rhythm Electric Guitar, Arr. Electric Guitar, Lead Electric Guitar, Lead Electric Guitar, Piano, Baritone Saxophone, Backing Vocals, Lead Vocal)

Oye cómo va (Album Version) made famous by Santana
• 11 customizable audio tracks:
(Click, Drum Kit, Latin Percussion, Bass, Lead Electric Guitar, Arr. Electric Guitar, Organ, Organ, Organ, Backing Vocals, Lead Vocal)

One Way or Another made famous by Blondie
• 11 customizable audio tracks:
(Click, Drum Kit, Electric Bass, Electric Guitar, Electric Guitar, Electric Guitar, Lead Electric Guitar, Organ, Organ, Backing Vocals, Lead Vocal)

Once Upon a December made famous by Anastasia (1997 film) (Liz Callaway)
• 13 customizable audio tracks:
(Click, Cymbals, Timpani, Bass, Music Box, String Section, String Section, Trumpet, French Horn, Oboe, Flute, Backing Vocals, Lead Vocal)

O Holy Night made famous by Mariah Carey
• 14 customizable audio tracks:
(Click, Drum Kit, Tambourine, Timpani, Bass, Piano, Organ, Synth Pad, Bells, String Section, Harp, Sound effects, Backing Vocals, Lead Vocal)

One made famous by U2
• 10 customizable audio tracks:
(Click, Drum Kit, Tambourine, Bass, Acoustic Guitar, Rhythm Electric Guitar, Rhythm Electric Guitar, Lead Electric Guitar, String Section, Lead Vocal)