To minimize the time PERSON@1 spent on the bull , the director shot the sequence at twelve frames per second -LRB- see frame rate -RRB- and PERSON@1 sang twice as quickly , but it was n't until NUMBER@1 am that they completed work .

To minimise the time PERSON@1 spent on the bull , the director shot the sequence at twelve frames per second -LRB- see frame rate -RRB- and PERSON@1 sang twice as quickly , but it was n't until NUMBER@1 a.m. that they completed work .
