The following are recommendations for some niche European and American rock playlists:

1. "The1975" - Followers of Oasis will not miss this British rock band. Their music is full of retro flavor while incorporating some modern elements.

2. "Radiohead" - This band's music style is very unique, integrating rock, electronic and experimental elements. Their songs often have profound lyrics and emotional expressions.

3. "Arcade Fire" - This Canadian band's music style is very diverse, including rock, pop and classical elements. Their songs often have strong emotional and social meanings.

4. "The Strokes" - This American rock band was founded in 2001. Their music style is unique and combines punk and post-punk elements. Their songs tend to be energetic and dynamic.

5. "MyBloodyValentine" - This Irish rock band's music style is very unique, integrating elements such as noise and guitar. Their songs often have a mysterious and romantic emotion.

6. "The Smiths" - This British rock band was founded in 1982. Their music style is deeply influenced by post-punk and post-rock in the 1980s. Their songs often have profound lyrics and emotional expressions.

7. "The White Stripes" - This American rock band was founded in 1997. Their music style is deeply influenced by punk and alternative rock. Their songs tend to have strong rhythms and energy.

8. "The National" - This American rock band was founded in 1999. Their music style is deeply influenced by independent rock and alternative rock. Their songs are often soulful and philosophical.

9. "Modest Mouse" - This American independent rock band was founded in 1991. Their music style is deeply influenced by alternative rock and pop rock. Their songs tend to have an upbeat and relaxing vibe.

10. "TheBlackKeys" - This American rock band was founded in 2001. Their music style is deeply influenced by blues rock and rock ballads. Their songs often feature unique guitar playing and emotional expression.