# Octavarium guitar solo > John Petrucci's guitar solo on Octavarium by Dream Theater (2005) starts at about 20:54. From the album Octavarium. A prog metal classic from the 2000s. Canonical URL: Dream Theater, 2005, from *Octavarium*. Solo by *John Petrucci*. The closing section of the 24-minute title epic builds to a triumphant, sustained lead that fans rank among his most emotional moments. Octavarium by Dream Theater is featured in our Progressive Metal (#18) list. The solo is played by John Petrucci and the song was released in 2005. ## In our lists - [The Best Dream Theater Guitar Solos](https://greatestsolos.com/list/dream-theater-guitar-solos/) — #5 - [The Best John Petrucci Guitar Solos](https://greatestsolos.com/list/john-petrucci-guitar-solos/) — #4 - [The 18 Best Progressive Metal Guitar Solos](https://greatestsolos.com/list/prog-metal-guitar-solos/) — #18 ## Sources ### Who played the guitar solo on Octavarium? John Petrucci played the solo on Dream Theater's Octavarium (2005). ### What guitar was used on the Octavarium solo? An ernie ball music man jp through a Mesa/Boogie amp, 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/)