Un mundo ideal made famous by Aladdin (1992 film) (Demián Bichir & Analy)
• 10 customizable audio tracks:
(Click, Percussion, Bass, Piano, String Section, Harp, Brass Instruments, Woodwinds, Lead Vocal, Lead Vocal)

Un poco loco made famous by Coco
• 11 customizable audio tracks:
(Intro Count (Click), Intro Count (Key), Click, Percussion, Bass, Acoustic Guitar, Trumpet, Harp, Backing Vocals, Lead Vocal, Lead Vocal)

Unchained Melody (live) made famous by Engelbert Humperdinck
• 13 customizable audio tracks:
(Click, Drum Kit, Percussion, Bass, Electric Guitar, Electric Guitar, Piano, Organ, String Section, Violin, Viola, Cello, Lead Vocal)

Un Rinconcito en el Cielo made famous by Ramón Ayala
• 7 customizable audio tracks:
(Click, Drum Kit, Bass, Acoustic Guitar, Accordion, Backing Vocals, Lead Vocal)

Unanswered Prayers made famous by Garth Brooks
• 12 customizable audio tracks:
(Click, Drum Kit, Bass, Acoustic Guitar, Acoustic Guitar, Electric Guitar, Pedal Steel Guitar, Piano, Electric Piano, Synth Strings, Backing Vocals, Lead Vocal)

Unbelievable made famous by EMF
• 11 customizable audio tracks:
(Click, Drum Kit, Percussion, Electric Bass, Electric Guitar, Distorted Electric Guitar, Lead Electric Guitar, Piano, Arpeggiator, Backing Vocals, Lead Vocal)

Un poco de sangre made famous by Maldita Vecindad y los Hijos del Quinto Patio
• 12 customizable audio tracks:
(Click, Drum Kit, Percussion, Bass, Electric Guitar, Electric Guitar, Lead Electric Guitar, Organ, Brass section, Trumpet, Tenor Saxophone, Lead Vocal)

Un-Thinkable (I'm Ready) made famous by Alicia Keys
• 12 customizable audio tracks:
(Click, Electronic Drum Kit, Bongos, Hand Clap, Synth Bass, Acoustic Guitar, Piano, Synth Pad, Synth Lead, Synth Keys, Backing Vocals, Lead Vocal)

Uncertain Smile made famous by The The
• 10 customizable audio tracks:
(Click, Drum Kit, Percussion, Bass, Acoustic Guitar, Electric Guitar, Piano, String Section, Backing Vocals, Lead Vocal)

U Don't Have to Call made famous by Usher
• 13 customizable audio tracks:
(Intro Count (Click + Key), Click, Electronic Drum Kit, Noise effects, Synth Bass, Electric Piano, Electric Piano, Synth Strings, Synth Keys, Guitar Synth, Backing Vocals, Lead Vocal, Lead Vocal)