X FACTOR

Alchemy of X
twenty fourth letter- Alphabet - X 
Number 10 in Roman scales
Number of Diego Armando Maradona
and his hand gloved goal  
Nadia's perfect Gymnastic 10
X  Ray -Electro magnetic radiation
Of short wavelength
Can pass through opaque hearts
How many X tensions in your synthetic heart
How many Xs
Alchemy of X - Xylophone