The country's longest-running singing competition "Tawag ng Tanghalan" opens its doors to past contestants as they pair up to win in "Tawag ng Tanghalan Duets."

In "TNT Duets," the duets will be judged as one, so they need to build teamwork and chemistry to win the hearts of hurados.

When it was launched on Monday (May 8), former "TNT 6" contestants Ryan Sabacco and Randolph Bundoc won over the tandem of Florinda Baconguis and Jeremy Miranda after receiving a total combined score of 91% with their version of "Iris."

Don't miss the excitement and fun on "It's Showtime," 12 NN on A2Z, Kapamilya Channel,TV5, Kapamilya Online Live, ABS-CBN Entertainment's YouTube channel, and Facebook page, iWantTFC, and TFC IPTV. Catch its online show, "Showtime Online U," 11:45 AM on Kapamilya Online Live.