X made famous by Karol G & Jonas Brothers
• 2 music tracks in MP3 instrumental version
• 3 music tracks with vocals (covers)

X made famous by Jonas Brothers & Karol G
• 2 music tracks in MP3 instrumental version
• 3 music tracks with vocals (covers)

XXXO made famous by M.I.A. & Jay-Z
• 2 music tracks in MP3 instrumental version
• 3 music tracks with vocals (covers)

XXXO made famous by Jay-Z & M.I.A.
• 2 music tracks in MP3 instrumental version
• 3 music tracks with vocals (covers)

XY made famous by Kyo
• 2 music tracks in MP3 instrumental version
• 1 music track with vocals (cover)