What makes Jerusalem and Dopesmoker by Sleep notable?

'Jerusalem and Dopesmoker' is notable for its ambitious structure and length, with 'Dopesmoker' running over an hour. While initially faced with controversy regarding its unconventional format, it later garnered critical acclaim, influencing countless doom and stoner metal bands and helping to shape the genre's trajectory in the 2000s. Upon its release in 1999, 'Jerusalem and Dopesmoker' marked Sleep's return after a significant hiatus following their 1996 album 'Sleep's Holy Mountain'. This album was pivotal as it showcased their evolution into longer compositions, particularly highlighted by the epic title track, 'Dopesmoker', which solidified their status within the stoner metal genre.