On Moonlight Bay made famous by On Moonlight Bay (film) (Doris Day)
• 14 customizable audio tracks:
(Intro Count (Click + Key), Click, Drum Kit, Upright Bass, Acoustic Guitar, Arr. Acoustic Guitar, Piano, String Section, Oboe, English Horn, Clarinet, Male Backing Vocals, Female Backing Vocals, Lead Vocal)

Ocean Front Property made famous by George Strait
• 11 customizable audio tracks:
(Click, Drum Kit, Bass, Acoustic Guitar, Acoustic Guitar, Electric Guitar, Pedal Steel Guitar, Piano, Fiddle, Backing Vocals, Lead Vocal)

Old Time Rock 'n Roll made famous by Michael Bolton
• 13 customizable audio tracks:
(Click, Drum Kit, Percussion, Bass, Acoustic Guitar, Rhythm Electric Guitar, Rhythm Electric Guitar, Electric Guitar, Lead Electric Guitar, Piano, Organ, Backing Vocals, Lead Vocal)

Old Weakness (Coming on Strong) made famous by Delbert McClinton
• 10 customizable audio tracks:
(Click, Drum Kit, Percussion, Bass, Electric Guitar, Electric Guitar, Piano, Organ, Backing Vocals, Lead Vocal)

Obviously made famous by McFly
• 10 customizable audio tracks:
(Click, Drum Kit, Percussion, Bass, Rhythm Acoustic Guitar, Electric Guitar, Electric Guitar, Synth Strings, Backing Vocals, Lead Vocal)

Ol' Man River made famous by Paul Robeson
• 10 customizable audio tracks:
(Click, Piano, Tubular Bell, String Section, Double Bass, Harp, Trumpet, Trombone, Clarinet, Lead Vocal)

Only You (And You Alone) made famous by Travis Tritt
• 12 customizable audio tracks:
(Click, Drum Kit, Bass, Rhythm Acoustic Guitar, Electric Guitar, Electric Guitar, Electric Guitar, Electric Guitar, Electric Guitar, Piano, Backing Vocals, Lead Vocal)

One Number Away made famous by Luke Combs
• 15 customizable audio tracks:
(Click, Drum Kit, Tambourine, Bass, Acoustic Guitar, Electric Guitar, Electric Guitar, Electric Guitar, Rhythm Electric Guitar (Arpeggio), Distorted Electric Guitar, Lead Electric Guitar, Arr. Electric Guitar, Synth Pad, Backing Vocals, Lead Vocal)

Old Town Road (Single Version) made famous by Lil Nas X
• 8 customizable audio tracks:
(Click, Electronic Drum Kit, Noise effects, Synth Bass, Mandolin, Piano, Backing Vocals, Lead Vocal)

One More Try made famous by Timmy T.
• 11 customizable audio tracks:
(Click, Electronic Drum Kit, Electronic Percussion, Synth Bass, Piano, Electric Piano, Harpsichord, Synth Strings, Synth Keys, Backing Vocals, Lead Vocal)