This 2008 American biographical musical documentary film, directed by Greg Kohs, chronicles the lives and struggles of Mike and Claire Sardina, a married couple who found connection and purpose performing as a Neil Diamond tribute band named Lightning & Thunder.

The film described, a 2008 American biographical musical documentary directed by Greg Kohs, which delves into the lives and journey of Mike and Claire Sardina, a married couple performing as the Neil Diamond tribute band "Lightning & Thunder," is titled Song Sung Blue (Review). The film captures their personal struggles and triumphs, highlighting how their shared passion for music and their tribute act brought them connection and purpose. The title itself is a direct reference to Neil Diamond's 1972 hit song, a fitting choice for a documentary centered around his music.

Greg Kohs' "Song Sung Blue" had its premiere at the Slamdance Film Festival on January 23, 2008, where it garnered both the Jury and Audience Awards for Best Documentary. A significant aspect of the film's production involved securing the rights to Neil Diamond's music, a process that was notably aided by musician Eddie Vedder. The documentary offers an intimate look at the Sardinas' lives, showcasing their performances and the unique bond they shared through their music. Mike Sardina, known as "Lightning," and Claire Sardina, "Thunder," performed in their tribute act for years, gaining local renown in areas like Milwaukee and even opening for major bands such as Pearl Jam.

Tragically, Mike Sardina passed away in 2006, prior to the documentary's release. However, Claire Sardina has continued to perform, carrying on their musical legacy. The enduring appeal of their story, first captured in Kohs' documentary, even led to a 2025 dramatic feature film adaptation, also titled "Song Sung Blue," starring Hugh Jackman and Kate Hudson as the Sardinas. This later adaptation further testifies to the compelling and heartfelt narrative of Mike and Claire's journey as "Lightning & Thunder."