One Last Cry made famous by Brian McKnight
• 5 customizable audio tracks:
(Click, Acoustic Guitar, Piano, String Section, Lead Vocal)

One Step Out of Time (Eurovision 1992) made famous by Michael Ball
• 15 customizable audio tracks:
(Intro Count (Click + Key), Click, Drum Kit, Percussion, Bass, Electric Guitar, Electric Guitar, Electric Guitar, Lead Electric Guitar, Piano, Synth Pad, Synth Keys, Synth Brass, Backing Vocals, Lead Vocal)

Oh Happy Day made famous by Etta James
• 10 customizable audio tracks:
(Click, Drum Kit, Percussion, Bass, Acoustic Guitar, Electric Guitar, Piano, Organ, Backing Vocals, Lead Vocal)

Old Time Rock And Roll made famous by Status Quo
• 12 customizable audio tracks:
(Click, Drum Kit, Percussion, Bass, Rhythm Electric Guitar, Rhythm Electric Guitar, Lead Electric Guitar, Piano, Organ, Harmonica, Backing Vocals, Lead Vocal)

Our Love Is Here to Stay made famous by Rod Stewart
• 11 customizable audio tracks:
(Intro Count (Click + Key), Click, Drum Kit, Upright Bass, Acoustic Guitar, Piano, Vibes, String Section, Harp, French Horn, Lead Vocal)

Oh Julie made famous by Shakin' Stevens
• 9 customizable audio tracks:
(Click, Drum Kit, Percussion, Bass, Rhythm Electric Guitar, Rhythm Electric Guitar, Lead Electric Guitar, Accordion, Lead Vocal)

Out of Oklahoma made famous by Twisters (2024 film) (Lainey Wilson)
• 15 customizable audio tracks:
(Click, Drum Kit, Shaker + Hand Clap, Bass, Acoustic Guitar, Acoustic Guitar, Electric Guitar, Electric Guitar, Electric Guitar, Pedal Steel Guitar, Piano, Piano, Synthesizer, Backing Vocals, Lead Vocal)

Out of Oklahoma made famous by Lainey Wilson (Twisters)
• 15 customizable audio tracks:
(Click, Drum Kit, Shaker + Hand Clap, Bass, Acoustic Guitar, Acoustic Guitar, Electric Guitar, Electric Guitar, Electric Guitar, Pedal Steel Guitar, Piano, Piano, Synthesizer, Backing Vocals, Lead Vocal)

On a Night Like This made famous by Kylie Minogue
• 14 customizable audio tracks:
(Click, Electronic Drum Kit, Noise effects, Synth Bass, Acoustic Guitar, Electric Guitar, Synth Keys, Synth Keys, Arpeggiator, Synth Strings, Guitar Synth, String Section, Backing Vocals, Lead Vocal)

Old Town Road (remix) made famous by Billy Ray Cyrus & Lil Nas X
• 10 customizable audio tracks:
(Click, Electronic Drum Kit, Noise effects, Synth Bass, Mandolin, Piano, Backing Vocals, Lead Vocal, Lead Vocal, Lead Vocal)