Watch: TRANS-SIBERIAN ORCHESTRA Pays Tribute To OZZY OSBOURNE With Cover Of BLACK SABBATH's 'Changes'

Fan-filmed video of the East Coast production of the TRANS-SIBERIAN ORCHESTRA performing a cover of BLACK SABBATH's "Changes" as a mash-up with SAVATAGE's "Sleep" during TSO's December 21 concert at Xfinity Mobile Arena in Philadelphia, Pennsylvania can be seen below. The mash-up was a salute to late TRANS-SIBERIAN ORCHESTRA producer, composer and lyricist Paul O'Neill, who died in 2017, and SABBATH frontman Ozzy Osbourne, who passed away in July.

TSO was created to push the boundaries of what was possible for a band to create — both musically and visually. O'Neill dreamed of a different kind of "band" that is not limited by the confines of traditional rock acts and instead established one with multiple singers who could inhabit the various characters he was writing into his rock operas.

Although TSO is best known for their Capra-esque trilogy of holiday records — "Christmas Eve & Other Stories", "The Christmas Attic" and "The Lost Christmas Eve" — they have also released several other rock operas. "Beethoven's Last Night" (2000) was the first of these non-holiday rock operas and tells a compelling tale of a battle for Beethoven's soul between good and evil. It features instrumental crossovers between classical composers and contemporary rock, along with original vocal tracks featuring Patti Russo as the character Teresa, Beethoven's love. Later albums take on great themes such as war and redemption, namely "Night Castle" (2009). "Night Castle" was TSO's first Top 5 album debut and included a bonus track featuring Greg Lake (EMERSON, LAKE & PALMER, KING CRIMSON),who was one of TSO's greatest influences. TSO's latest album, "Letters From The Labyrinth" (2015),was another Top 10 release for the band. In total, TSO has sold in excess of 12 million albums and DVDs.

Consistently one of the Top 25 touring acts in the country, TSO shows no signs of slowing down. Since its touring debut in 1999, TSO has played over 2,000 Winter Tour shows for more than 20 million fans. So far TSO has also donated over $20 million from these tours to local charities.

At the time of his passing, O'Neill had several TSO projects in various stages of completion at his recording studio in Florida. He also had two finalized rock operas: "Romanov: When Kings Must Whisper", about the 1917 Russian Revolution, along with a live concert adaptation of "Night Castle". O'Neill also planned to eventually bring the TSO experience to Broadway. Nearly 30 years after the release of their first album, TRANS-SIBERIAN ORCHESTRA continues to create and live on.

With an incredible $1 billion in gross sales, TSO's remarkable and consistent appeal is reflected in recent industry accolades: Pollstar recognized TSO at No. 4 for Top North America Tours and at No. 6 on their Top 100 Worldwide Tours chart by gross for Midyear 2025, while Billboard placed them at No. 5 in Midyear 2025 Top Ticket Sales and No. 13 on the Midyear 2025 Top Tours chart. Adding to their impressive achievements, their iconic hit "Christmas Eve/Sarajevo 12/24" has surpassed 100 million streams across digital platforms, further cementing its status as a timeless holiday classic.