Complex sentence: Musically, "Anthem" is a classic example of early Rush, heavy and loud, with fast guitar, drum, and bass licks, and featuring the very high-pitched early singing style of Geddy Lee.
Split into simpler sentences: Musically, "Anthem" is a classic example of early Rush. Heavy and loud, with fast guitar, drum, and bass licks, the song features the very high-pitched, early singing, style of Geddy Lee.