Music Appreciation

Little Feat was included in Rolling Stone's Readers’ Poll: 10 Acts We’d Like to See Enter Rock Hall of Fame in 2017. All the acts on the list have since been inducted, EXCEPT Little Feat, Warren Zevon, and Jethro Tull.
10 The Cars (Inducted 2018)
9. Warren Zevon
8 Jethro Tull
7. The Cure (Inducted 2019)
6. The Moody Blues (Inducted 2018)
5. Yes (Inducted 2017)
4. Janet Jackson (Inducted 2019)
3. ELO (Inducted 2017)
2. Little Feat
1. Pearl Jam (2017)

Poked around a bit more and found another list of 18 Acts That Still Need To Be Inducted Into the Rock Hall 2018.
Big Star
Joe Cocker
De La Soul
Eurythmics (Inducted 2022)
Iron Maiden and Judas Priest (Judas Priest Inducted 2022)
Ben E. King (Inducted as a member of The Drifters 1998, not solo)
Kraftwerk (Inducted 2021)
Willie Nelson (Inducted 2023)
Stevie Nicks (Inducted 2019)
Nine Inch Nails (Inducted 2020)
Radiohead (Inducted 2019)
Roxy Music (Inducted 2019)
Smiths
Sonic Youth
Warren Zevon


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Some random others that are among the Rock and Roll Hall of Fame missing:

Emerson, Lake, and Palmer
Soundgarden
Devo
Cyndi Lauper
Los Lobos
John Prine
Procol Harum
Steppenwolf
Sting
Thin Lizzy
Steve Winwood