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)

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)

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)

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)

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)

Used to Be Young made famous by Miley Cyrus
• 15 customizable audio tracks:
(Click, Drum Kit, Percussion, Noise effects, Bass, Acoustic Guitar, Acoustic Guitar, Electric Guitar, Electric Guitar, Piano, Synth Pad, Synth Strings, Arpeggiator, Backing Vocals, Lead Vocal)

Use Somebody made famous by Kings of Leon
• 10 customizable audio tracks:
(Click, Drum Kit, Bass, Electric Guitar, Electric Guitar, Lead Electric Guitar, Organ, Synth Pad, 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)