What makes On a Plain by Nirvana notable?

'On a Plain' contributed to the massive commercial success of 'Nevermind', which reached number one on the Billboard 200 chart. The album helped solidify Nirvana's influence in alternative rock and grunge, paving the way for numerous bands in the genre and leaving a lasting impact on music culture during the early 1990s. Released on September 24, 1991, 'On a Plain' appears on Nirvana's breakthrough album 'Nevermind'. At this time, the band was gaining immense popularity following the success of their single 'Smells Like Teen Spirit', which had transformed them into symbols of Generation X. This period marked a significant shift in their career, as they transitioned from underground favorites to mainstream icons.