What makes Rats by Ghost notable?

The song 'Rats' has been significant in cementing Ghost's reputation, reaching number 1 on the Billboard Mainstream Rock Songs chart. Its popularity also contributed to the band's headlining status at various music festivals, showcasing their crossover appeal in both rock and pop realms. When 'Rats' was released in January 2018, Ghost was solidifying their position as a major force in rock music following their Grammy win for Best Metal Performance in 2016. This single marked the beginning of their fourth studio album cycle and showcased a more polished sound reflecting their growing mainstream appeal after years of underground success.