Editing Trey Anastasio (section)

===Solo work===
[[File:Trey-Anastasio2009 2.jpg|thumb|Anastasio performing in 2009]]
Anastasio was featured on the album [[True Love (Toots & the Maytals album)|''True Love'']] by [[Toots and the Maytals]], which won the [[Grammy Award]] in 2004 for Best Reggae Album, and showcased many notable musicians including [[Willie Nelson]], [[Eric Clapton]], [[Jeff Beck]], [[Gwen Stefani]] / [[No Doubt]], [[Ben Harper]], [[Bonnie Raitt]], [[Manu Chao]], [[The Roots]], [[Ryan Adams]], [[Keith Richards]], [[Toots Hibbert]], [[Paul Douglas (musician)|Paul Douglas]], Jackie Jackson, [[Ken Boothe]], and [[The Skatalites]].<ref>[http://www.tootsandthemaytals.net/linear-cd-notes/ "True Love – Linear CD Notes"], Toots and the Maytals. {{Webarchive|url=https://archive.today/20161110054527/http://www.tootsandthemaytals.net/linear-cd-notes/ |date=November 10, 2016 }}>. Retrieved November 9, 2016.</ref> Anastasio can be heard playing guitar on the song "Sweet and Dandy".

In September 2004, he performed with the Vermont Youth Orchestra at [[Carnegie Hall]].<ref>{{cite web|url=http://phish.net/sideshows/trey-anastasio-band/?d=2004-09-14|title=Setlist for Trey & VYO, 9/14/04|website=Phish.net |access-date=February 27, 2012}}</ref>

In 2006, Anastasio toured with Mike Gordon and the Benevento/Russo Duo. The project, known unofficially as G.R.A.B. played a number of shows with Phil Lesh.<ref>{{Cite web|url=http://www.relix.com/cgi-bin/content_details.php?id=1850 |archive-url=https://web.archive.org/web/20060707202852/http://www.relix.com/cgi-bin/content_details.php?id=1850 |archive-date=July 7, 2006 |title=Relix.com|date=July 7, 2006|access-date=October 8, 2022}}</ref>

In July 2007, he released another instrumental album, ''[[The Horseshoe Curve]]'', via his own [[Rubber Jungle Records]].
On August 14, he made a surprise guest appearance in [[Saratoga Springs, New York]] during [[Dave Matthews Band]]'s performance at the Saratoga Performing Arts Center. He sat in and jammed with the band during "[[Lie in Our Graves]]".

In June  2008, Anastasio guested on the [[Robert Randolph and the Family Band|Robert Randolph]] Band's set, who opened for an [[Eric Clapton]] concert.

On August 7, 2008, he played his first post-rehab electric show at the Music Hall of Williamsburg in Brooklyn, New York debuting: "Alaska" (electric version; the song was debuted acoustic at Rothbury), "Peggy", "Gone", "Backwards Down the Number Line" (electric version; the song was debuted acoustic at Rothbury), "Valentine", "Greyhound Rising", and "Light". Four of these seven songs have found their way into the Phish live repertoire and on official studio releases.

On September 27, 2008, Anastasio debuted ''[[Time Turns Elastic]]'', an orchestral epic co-created with composer Don Hart, at the [[Ryman Auditorium]] in Nashville Tennessee. The east coast premier of  "[[Time Turns Elastic]]" was performed on May 21, 2009, with conductor [[Marin Alsop]] and the [[Baltimore Symphony Orchestra]] at the [[Joseph Meyerhoff Symphony Hall]] in Baltimore, Maryland. The performance also included the debut of the orchestral version of Anastasio's "First Tube".

On September 12, 2009, Anastasio performed "An Evening with Trey Anastasio and the New York Philharmonic" at [[Carnegie Hall]] in Manhattan with the [[New York Philharmonic]], playing various compositions including "Divided Sky","[[You Enjoy Myself]]", and "Time Turns Elastic". This concert was a benefit for his sister, through the Kristy Anastasio Manning Memorial Fund and the New York Philharmonic.<ref name="smith1" />

While not touring with Phish, Anastasio performs tours with both TAB and acoustic solo concerts.

On July 30, 2020, Anastasio released ''Lonely Trip'', a collection of original songs written during the COVID-19 pandemic and recorded at his home studio in New York. The LP was mixed by Bryce Goggin and features lyrical collaborations with Tom Marshall and Scott Herman. Anastasio says the project reminded him of his pre-Phish 4-track home recordings.<ref>{{Cite web|url=https://jambands.com/news/2020/07/30/trey-anastasio-announces-new-album-lonely-trip/|title=Trey Anastasio Announces New Album, 'Lonely Trip'|date=July 30, 2020|website=Jambands.com|access-date=October 8, 2022}}</ref>

In October 2020, Anastasio performed an eight-week residency at the [[Beacon Theatre (New York City)|Beacon Theatre]] in New York. The eight concerts were performed without an audience and streamed live every Friday from October 9 to November 27 for free on [[Twitch (service)|Twitch]].<ref>{{cite web |title=Trey Anastasio - The Beacon Jams |url=https://trey.com/the-beacon-jams/ |website=trey.com |access-date=March 7, 2022 |language=en}}</ref><ref>{{cite web |title=The Beacon Jams |url=https://www.msg.com/beacon-theatre/the-beacon-jams |website=MSG |access-date=March 7, 2022 |language=en}}</ref> Anastasio raised $1.2 million of donations from the Beacon Jams for his Divided Sky Foundation, which used those funds were used to purchase a property in [[Ludlow (town), Vermont|Ludlow, Vermont]] to act as a drug rehabilitation center.<ref>{{cite web |title=Trey Anastasio Shares Images of New Divided Sky Treatment Center |url=https://relix.com/news/detail/trey-anastasio-shares-images-of-new-divided-sky-treatment-center/ |website=Relix.com|access-date=March 7, 2022 |date=April 15, 2021}}</ref>

On March 11, 2022, Anastasio released his first all-acoustic solo album, ''[[Mercy (Trey Anastasio album)|Mercy]]''. The nine-song album was produced by Bryce Goggin and Robert Stevenson, and mixed by Mike Fahey. It was intended as a follow-up to ''Lonely Trip'', with Anastasio saying the songs were inspired by further time spent in isolation due to the COVID-19 pandemic: "[''Mercy''] is like a bookend. It's two years since we went into hiding. This is still going on, and it's an even lonelier trip."<ref>{{cite web |last1=Kahn |first1=Andy |title=Trey Anastasio Releases 'Mercy' Solo Acoustic Album |url=https://www.jambase.com/article/trey-anastasio-mercy-album-stream |website=JamBase.com  |access-date=March 11, 2022}}</ref><ref>{{cite web |last1=Owen |first1=Matt |title=Phish's Trey Anastasio announces first-ever solo acoustic record, 'Mercy' |url=https://www.guitarworld.com/news/trey-anastasio-mercy |website=Guitar World |date=March 8, 2022 |access-date=March 11, 2022}}</ref> Upon the album's release, Anastasio described songwriting as one of his greatest joys.<ref>{{cite web | url=https://relix.com/articles/detail/finding-mercy-trey-anastasio-on-songwriting/ | title=Finding 'Mercy': Trey Anastasio on Songwriting|website=Relix.com | date=May 26, 2022 }}</ref>