Uptown Funk made famous by Mark Ronson & Bruno Mars
• 11 customizable audio tracks:
(Click, Drum Kit, Percussion, Bass, Electric Guitar, Organ, Synth Pad, Brass section, Noise effects, Backing Vocals, Lead Vocal)

Uptown Funk made famous by Bruno Mars & Mark Ronson
• 11 customizable audio tracks:
(Click, Drum Kit, Percussion, Bass, Electric Guitar, Organ, Synth Pad, Brass section, Noise effects, Backing Vocals, Lead Vocal)

Unwritten made famous by Natasha Bedingfield
• 13 customizable audio tracks:
(Click, Drum Kit, Electronic Drum Kit, Bass, Acoustic Guitar, Electric Guitar, Piano, Organ, Synthesizer, Synth Pad, String Section, Backing Vocals, Lead Vocal)

Until I Found You made famous by Stephen Sanchez
• 8 customizable audio tracks:
(Click, Drum Kit, Percussion, Bass, Electric Guitar, Piano, Backing Vocals, Lead Vocal)

Unstoppable made famous by Sia
• 12 customizable audio tracks:
(Click, Electronic Drum Kit, Percussion, Noise effects, Synth Bass, Piano, Synthesizer, Synth Strings, Arpeggiator, Synth Brass, Backing Vocals, Lead Vocal)

Unchain My Heart made famous by Joe Cocker
• 11 customizable audio tracks:
(Click, Drum Kit, Bass, Electric Guitar, Electric Guitar, Lead Electric Guitar, Piano, Brass section, Tenor Saxophone, Backing Vocals, Lead Vocal)

Uptown Girl made famous by Billy Joel
• 9 customizable audio tracks:
(Click, Drum Kit, Percussion, Bass, Rhythm Electric Guitar, Electric Guitar, Piano, Backing Vocals, Lead Vocal)

Unchained Melody made famous by The Righteous Brothers
• 12 customizable audio tracks:
(Click, Drum Kit, Timpani, Bass, Electric Guitar, Piano, Piano, Electric Piano, String Section, Brass section, Backing Vocals, Lead Vocal)

Unchained Melody made famous by Ghost (the movie) (The Righteous Brothers)
• 12 customizable audio tracks:
(Click, Drum Kit, Timpani, Bass, Electric Guitar, Piano, Piano, Electric Piano, String Section, Brass section, Backing Vocals, Lead Vocal)

Under the Boardwalk made famous by The Drifters
• 15 customizable audio tracks:
(Click, Drum Kit, Percussion, Shaker, Castanets, Güiro, Upright Bass, Acoustic Guitar, Acoustic Guitar, Rhythm Electric Guitar, Lead Electric Guitar, Piano, String Section, Backing Vocals, Lead Vocal)