Which producer / engineer did McCartney invite to contribute to the recording ?
Studio Two , EMI Studios , London ( 2.30pm-6.00 pm ) Recording * " I Wan na Be Your Man " ( Lennon / McCartney ) ( take 1 ) * " Little Child " ( Lennon / McCartney ) ( takes 1-2 ) * " All I 've Got to Do " ( Lennon / McCartney ) ( takes 1-15 ) Studio Two , EMI Studios , London ( 7.00pm-10.15 pm ) Recording * " Not a Second Time " ( Lennon / McCartney ) ( takes 1-9 ) * " Do n't Bother Me " ( Harrison ) ( takes 1-7 ) Personnel * Musicians : John Lennon ( rhythm guitar , vocals ) , Paul McCartney ( bass guitar , vocals ) , George Harrison ( lead guitar , vocals ) , Ringo Starr ( drums , vocals ) , George Martin ( piano ) * Production staff : George Martin ( producer ) , Norman Smith ( engineer ) , Richard Langham ( 2nd engineer )