The Yale Whiffenpoofs made an appearance at the George Bush Presidential Library Sunday.
Fourteen seniors make up Yale University's a cappella group.
A noteworthy alumnus is Senator Prescott Bush, father of President George Bush Senior.
Mr Bush and his wife were in town for the concert, which also included a performance by the Texas A&M Singing Cadets.
To comment, the following rules must be followed:
Comments may be monitored for inappropriate content, but the station is under no legal obligation to do so.
If you believe a comment violates the above rules, please use the Flagging Tool to alert a Moderator.
Flagging does not guarantee removal.
Multiple violations may result in account suspension.
Decisions to suspend or unsuspend accounts are made by Station Moderators.
Questions may be sent to firstname.lastname@example.org. Please provide detailed information.