To minimize the time Knowles spent on the bull , the director shot the sequence at twelve frames per second ( see frame rate ) and Knowles sang twice as quickly , but it was n't until 4:00 am that they completed work .
To minimize the time Knowles spent on the bull , the director shot the sequence at twelve frames per second ( see frame rate ) and Knowles sang twice as quickly , but it was not until 4:00 a.m. that they completed work .