During the 2008 NFL season, Sanchez performed "The Star-Spangled Banner" prior to the San Diego Chargers' match against the New York Jets.

[14] Additionally, she was among the fifty-seven singers who contributed in a YouTube edition of the charity single "We Are the World 25 for Haiti", which was produced by Lisa Lavie.

[18] She subsequently performed three songs ("The Star-Spangled Banner," "God Bless America", and "The Prayer") at the PBS' National Memorial Day Concert from the west lawn of the United States Capitol in Washington, D.C., on May 27, 2012.

[3] She later performed "You're All I Need to Get By" by Marvin Gaye and Tammi Terrell, where she was accompanied by God's Appointed People Choir at the 2012 Democratic National Convention in Charlotte, North Carolina on September 6, 2012.

[27] On April 1, 2013, she performed "The Star-Spangled Banner" for former United States president Barack Obama and his family at the White House for the Easter Egg Roll.

[34] She reprised the role in the episode "All or Nothing", which premiered on May 9, 2013, during which she performed "Clarity" by Zedd and Foxes and "Wings" by Little Mix as a part of The Hoosierdaddies.

[37] Sanchez performed "The Star-Spangled Banner" and "Lupang Hinirang" at the Manny Pacquiao vs. Brandon Ríos match in The Venetian, Macau on November 23, 2013.

[41] The group reunited for Crustacean's Red Hour Jam Session in Beverly Hills, California on June 25, 2014, during which Sanchez performed "Pour It Up" by Rihanna.

[43] "This Love", a single teased during an interview with the online magazine She Knows on December 22, 2014,[44] was released on January 7, 2015 with an accompanying music video, which was directed by Gabriel Valenciano.

[46] She performed two songs with the finalists ("Dance with My Father" by Luther Vandross with Charlene Su and ''Clarity" by Zedd and Foxes with Jermaine Leong) of the second season of MediaCorp Channel 5's singing competition The Final 1 on August 21, 2013.

[47] Sanchez collaborated with Christian Bautista for the song "Two Forevers", which was released on November 5, 2015, in conjunction of its music video, from his studio album Kapit.

[50] She frequently collaborated with Leroy Sanchez in 2016, where the duo released a duet of "1+1" by Beyoncé on January 27, 2016,[51] and of Justin Bieber and Halsey's "The Feeling" on March 30, 2016.

[52] Sanchez subsequently returned to American Idol for the grand finals of the fifteenth season on April 7, 2016, during which she performed "The Prayer" by Celine Dion and Andrea Bocelli.

[58] Sanchez appeared as a featured artist on "Beauty and the Beast" by Matt Bloyd from his extended play Covers, Vol.

[71] Sanchez performed for the House of Bolkiah during the Crown Prince Haji Al-Muhtadee Billah's birthday celebration on February 18, 2019.

[77] She reunited with Matt Bloyd for a duet of "Can You Feel the Love Tonight" from his extended play King, which was released on July 17, 2019.