[2] The organization was founded in Uganda in 2009, having built radio stations and produced broadcast content in support of local singers who were using their songs to encourage combatants to return home from war in that country.

The project was started by Hunter Heaney who in the fall of 2008 was volunteering at an IDP (Internally Displaced Persons) camp in Agoro, a small village in northern Uganda's war-torn Kitgum District when he first heard the "dwog paco" ("come home") songs.

"[5][6][7][8] According to Rolling Stone, "To bring awareness to the problems of LRA violence plaguing Northern Uganda, Southern Sudan, Eastern Congo and Central African Republic, the Voice Project has recruited a number of artists to play a game of musical tag.

Participants have included indie rock acts such as Edward Sharpe and the Magnetic Zeros, Andrew Bird, Dawes, and Joe Purdy as well as international recording artists such as Peter Gabriel, Billy Bragg, Mike Mills (R.E.M.

[15] The musicians participating in Amplify Peace are as follows(in alphabetical order): • Akello Miriam • Andrew Bird • Angélique Kidjo • Babaluku (Bataka Squad) • Bajah + Dry Eye Crew • Bedouin Soundclash • Billy Bragg • Brett Dennen • Chloe Chaidez (Kitten) • Dawes • Edward Sharpe and the Magnetic Zeros • Emmanuel Jal • Garrison Starr • Gary Go • Greg Laswell • Har Mar Superstar (Sean Na Na) • Joan Wasser (Joan As Police Woman)

• Jesca Hoop • Joe Purdy • Joey Ryan • John McCauley (Deer Tick) • Joseph Arthur • Kenneth Pattengale • Koji • Maria Taylor (Azure Ray) • Matt Vasquez (Delta Spirit) • Mike Mills (R.E.M.)

• Parts & Labor • Peter Gabriel • Priscilla Ahn • SoKo • Steel Train • The Black Swan Effect • The Gulu Widows Choir • The Moor • The Shivers • The Submarines • Tom Freund From 2012 to 2014, The Voice Project coordinated international donations through an international legal defense and support fund for Nadezhda Tolokonnikova and Maria Alyokhina of Pussy Riot during their imprisonment in Russian corrective labor colonies,[16] which supported the women's legal expenses, supplied them with provisions while in the prison camps and child care, in addition to safety monitoring by local Russian lawyers.

[34] In response to McMillan's harsh potential sentence, The Voice Project conducted a campaign, encouraging supporters to write letters petitioning for leniency to Judge Ronald Zweibel, who was overseeing the trial.

[35] The campaign collected letters from the general public, as well as numerous artists including Shepard Fairey, Kim Gordon, Spike Jonze, JD Samson, Lauren Mayberry, Justin Vivian Bond, and Nadezhda Tolokonnikova.

In response, The Voice Project launched a campaign in which activists wrote letters to Cuban president Raúl Castro and Minister of Justice María Esther Reus González, "strongly urging [the government] to unconditionally drop the case against this artist.