Under Pressure made famous by We Will Rock You (musical)
• 15 customizable audio tracks:
(Intro Count (Click), Click, Drum Kit, Percussion, Bass, Rhythm Electric Guitar, Rhythm Electric Guitar, Arr. Electric Guitar, Arr. Electric Guitar, Piano, Organ + Synth Pad, Synth Keys, Backing Vocals, Lead Vocal, Lead Vocal)

Understand Your Man made famous by Johnny Cash
• 10 customizable audio tracks:
(Click, Drum Kit, Acoustic Bass Guitar, Acoustic Guitar, Acoustic Guitar, Rhythm Electric Guitar, Dobro, Trumpet, Backing Vocals, Lead Vocal)

Under The Boardwalk made famous by The Overtones
• 15 customizable audio tracks:
(Click, Drum Kit, Percussion, Noise effects, Upright Bass, Rhythm Acoustic Guitar, Lead Acoustic Guitar, Rhythm Electric Guitar, Arr. Electric Guitar, Organ, String Section, Flute, Backing Vocals, Lead Vocal, Lead Vocal)

Un beso made famous by Aventura
• 9 customizable audio tracks:
(Click, Percussion, Bass, Acoustic Guitar, Electric Guitar, Electric Guitar, Backing Vocals, Lead Vocal, Lead Vocal)

Undun made famous by The Guess Who
• 9 customizable audio tracks:
(Click, Drum Kit, Bass, Rhythm Acoustic Guitar, Acoustic Guitar, Electric Guitar, Flute, Lead Vocal, Lead Vocal)

Unconditionally made famous by Katy Perry
• 15 customizable audio tracks:
(Click, Drums and Percussion, Synth Bass, Acoustic Guitar, Electric Guitar, Electric Guitar, Piano, Synth Pad, Synth Keys, Synth Keys, String Section, Noise effects, Backing Vocals, Backing Vocals, Lead Vocal)

Under The Boardwalk made famous by Bette Midler
• 11 customizable audio tracks:
(Click, Drum Kit, Percussion, Bass, Acoustic Guitar, Electric Guitar, Electric Guitar, Synth Pad, Synth Keys, Backing Vocals, Lead Vocal)

Union of the Snake made famous by Duran Duran
• 12 customizable audio tracks:
(Click, Drum Kit, Percussion, Noise effects, Bass, Electric Guitar, Synth Keys, Synth Keys, Arpeggiator, Soprano Saxophone, Backing Vocals, Lead Vocal)

Unchained Melody (with the Royal Philharmonic Orchestra) made famous by Roy Orbison
• 14 customizable audio tracks:
(Click, Drum Kit, Timpani, Bass, Piano, String Section, Double Bass, Harp, Brass Instruments, French Horn, Oboe, Flute, Backing Vocals, Lead Vocal)

Unchained Melody made famous by Royal Philharmonic Orchestra & Roy Orbison
• 14 customizable audio tracks:
(Click, Drum Kit, Timpani, Bass, Piano, String Section, Double Bass, Harp, Brass Instruments, French Horn, Oboe, Flute, Backing Vocals, Lead Vocal)