# Thumb guitar solo > J Mascis's guitar solo on Thumb by Dinosaur Jr. (1991) starts at about 5:00. From the album Green Mind. Played on a Fender Jazzmaster. Canonical URL: Dinosaur Jr., 1991, from *Green Mind*. Solo by *J Mascis*. A melancholy mid-tempo piece where Mascis's lengthy solo carries the emotional weight far more than the vocals do. Thumb by Dinosaur Jr. is #10 in our ranking of the best Dinosaur Jr. guitar solos. The solo is played by J Mascis and the song was released in 1991. ## In our lists - [The Best Dinosaur Jr. Guitar Solos](https://greatestsolos.com/list/dinosaur-jr-guitar-solos/) — #10 ## Sources ### Who played the guitar solo on Thumb? J Mascis played the solo on Dinosaur Jr.'s Thumb (1991). ### What guitar was used on the Thumb solo? A fender jazzmaster, according to widely reported accounts. --- GreatestSolos ranks the greatest guitar solos by consensus across published lists. Agent guide: [llms.txt](https://greatestsolos.com/llms.txt) · [Sitemap](https://greatestsolos.com/sitemap.xml) · [Dataset (CSV)](https://greatestsolos.com/data/greatest-guitar-solos.csv) · [How we rank](https://greatestsolos.com/method/)