U Can't Touch This made famous by MC Hammer
• 11 customizable audio tracks:
(Click, Electronic Drum Kit, Shaker, Synth Bass, Electric Guitar, Digital Piano, Synthesizer, Synth Keys, Synth Keys, Backing Vocals, Lead Vocal)

Uptown made famous by Roy Orbison
• 9 customizable audio tracks:
(Click, Drum Kit, Upright Bass, Electric Guitar, Piano, Tenor Saxophone + Baritone Saxophone, String Section, Backing Vocals, Lead Vocal)

Underneath Your Clothes made famous by Shakira
• 11 customizable audio tracks:
(Click, Drum Kit, Percussion, Bass, Electric Guitar, Electric Guitar, Lead Electric Guitar, Electric Piano, Brass section, Backing Vocals, Lead Vocal)

Umbrella made famous by The Baseballs
• 10 customizable audio tracks:
(Click, Drum Kit, Upright Bass, Rhythm Electric Guitar, Rhythm Electric Guitar, Lead Electric Guitar, Piano, Backing Vocals, Lead Vocal, Lead Vocal)

Up There made famous by South Park
• 15 customizable audio tracks:
(Click, Drum Kit, Percussion, Bass, Acoustic Guitar, Electric Guitar, Piano, Digital Piano, Glockenspiel, String Section, Brass Instruments, Oboe, Clarinet, Backing Vocals, Lead Vocal)

Underneath It All made famous by No Doubt & Lady Saw
• 15 customizable audio tracks:
(Click, Drum Kit, Bass, Acoustic Guitar, Rhythm Electric Guitar, Rhythm Electric Guitar, Rhythm Electric Guitar, Arr. Electric Guitar, Electric Piano, Organ, Synthesizer, Brass section, Backing Vocals, Lead Vocal, Lead Vocal)

Un millón de años luz made famous by Soda Stereo
• 10 customizable audio tracks:
(Click, Drum Kit, Bass, Rhythm Electric Guitar, Rhythm Electric Guitar, Lead Electric Guitar, Piano, Synth Pad, Backing Vocals, Lead Vocal)

U.S. Blues made famous by Grateful Dead
• 13 customizable audio tracks:
(Click, Drum Kit, Percussion, Bass, Electric Guitar, Electric Guitar, Electric Guitar, Electric Guitar, Piano, Electric Piano, Synthesizer, Backing Vocals, Lead Vocal)

Un nuevo amor made famous by María José
• 15 customizable audio tracks:
(Click, Drum Kit, Bass, Acoustic Guitar, Rhythm Electric Guitar, Arr. Electric Guitar, Piano, Electric Piano, Organ, Synthesizer, Synth Pad, Brass section, String Section, Backing Vocals, Lead Vocal)

Un buen perdedor made famous by Franco De Vita
• 14 customizable audio tracks:
(Click, Drum Kit, Bass, Acoustic Guitar, Electric Guitar, Distorted Electric Guitar, Distorted Electric Guitar, Distorted Electric Guitar, Piano, Harpsichord, Synth Pad, String Section, Backing Vocals, Lead Vocal)