One More Try made famous by George Michael
• 6 customizable audio tracks:
(Click, Drum Kit, Bass, Organ, Synth Strings, Lead Vocal)

One Day At a Time made famous by Sam Smith
• 7 customizable audio tracks:
(Click, Bass, Acoustic Guitar, Acoustic Guitar, Electric Guitar, Electric Guitar, Lead Vocal)

Our God made famous by Chris Tomlin
• 12 customizable audio tracks:
(Click, Drum Kit, Bass Drum, Bass, Acoustic Guitar, Electric Guitar, Electric Guitar, Synth Pad, Synth Keys, String Section, Backing Vocals, Lead Vocal)

One made famous by Three Dog Night
• 7 customizable audio tracks:
(Click, Drum Kit, Bass, Electric Guitar, Piano, Backing Vocals, Lead Vocal)

Ovunque sarai made famous by Irama
• 13 customizable audio tracks:
(Click, Drum Kit, Percussion, Noise effects, Synth Bass, Piano, Synth Strings, Synth Voice, Arpeggiator, String Section, Brass Instruments, Backing Vocals, Lead Vocal)

On the Run made famous by Pink Floyd
• 14 customizable audio tracks:
(Click, Acoustic Drum Kit, Electronic Drum Kit, Sound effects, Noise effects, Electric Bass, Synth Bass, Electric Guitar, Piano, Organ, Synth Keys, Arpeggiator, Arpeggiator, Sample)

Ohne Dich made famous by Rammstein
• 9 customizable audio tracks:
(Click, Drum Kit, Bass, Acoustic Guitar, Distorted Electric Guitar, Piano, String Section, Backing Vocals, Lead Vocal)

Ordinary Man made famous by Christy Moore
• 11 customizable audio tracks:
(Click, Percussion, Bass, Acoustic Guitar, Acoustic Guitar, Acoustic Guitar, Acoustic Guitar, Electric Guitar, Pedal Steel Guitar, Digital Piano, Lead Vocal)

Oxygen made famous by The Dirty Heads
• 15 customizable audio tracks:
(Click, Drum Kit, Percussion, Noise effects, Bass, Acoustic Guitar, Electric Guitar, Electric Piano, Organ, Synthesizer, Synth Brass, Sample, Trumpet + Trombone, Backing Vocals, Lead Vocal)

Orange Colored Sky made famous by Nat King Cole
• 9 customizable audio tracks:
(Click, Drum Kit, Congas, Bass, Electric Guitar, Piano, Brass section, Backing Vocals, Lead Vocal)