- LRB- bass and vocals -RRB-, 13 March -LRB- brass section -RRB-, 28 March -LRB- backing vocals and guitar solo -RRB-, and 29 March -LRB- animal noises -RRB-.
The track was recorded on 8 February 1967, with overdubs -LRB- extra music that 's recorded into the song -RRB- on 16 February -LRB- bass and vocals -RRB-, 13 March -LRB- brass section -RRB-, 28 March -LRB- backing vocals and guitar solo -RRB-, and 29 March -LRB- animal noises -RRB-.