Singer Phil Collinsâ Alamo artifacts collection on display in Texas Singer Phil Collins appears in front of the Alamo to announce his donation of over 200 Texas Revolution-era artifacts to the Texas General Land Office on June 26, 2014. A temporary exhibit, which includes a brass cannon used by the Mexican Army during the Battle of the Alamo and the original battle orders that calling for the attack on the Alamo, is on display beginning Tuesday, March 2, 2021 through April 25. (Source: Julysa Sosa/The San Antonio Express-News via AP, File) By Associated Press | March 2, 2021 at 10:36 AM EST - Updated March 3 at 6:55 AM SAN ANTONIO (AP) â Artifacts collected by Phil Collins went on display Tuesday at the Alamo after the legendary musician donated the items to the state of Texas.