"I can probably sing it with a group," said Rep. Robert Aderholt, R-Ala. "If I was in a group, I would sing it."
Rep. Ron Kind, D-Wis., gave the excuse that his singing voice was "not that good."
Rep. Robert Ney, R-Ohio, said he was busy talking to his wife on the phone while Rep. Jim Costa, D-Calif., and Rep. Paul Gillmor, R-Ohio, both had other places to be, ABC said.
On the Senate side, Sen. John McCain, R-Ariz., and Sen. Barbara Mikulski, D-Md., both passed the test with flying colors.
Sen. Lindsay Graham, R-S.C., balked as well, saying, "I am like 61 percent of Americans. If I had to get up and recite the national anthem, I would fail miserably."