▁a ▁song ." ▁Wilson ▁continued : ▁" I ▁learned ▁them ▁bar ▁by ▁bar . ▁I ' d ▁go ▁to ▁my ▁hi - fi ▁set ▁and ▁I ' d ▁play ▁a ▁little ▁bit . ▁Then ▁I ' d ▁stop ▁and ▁try ▁to ▁figure ▁it ▁out , ▁back ▁and ▁forth , ▁back ▁and ▁forth , ▁until ▁I ▁figured ▁the ▁whole ▁song ▁out ." ▁ ▁Phil ▁Spect or ▁ ▁The ▁work ▁of ▁record ▁producer ▁Phil ▁Spect or , ▁who ▁popular ized ▁the ▁Wall ▁of ▁Sound , ▁was ▁a ▁foc al ▁ob session ▁for ▁Wilson . ▁Spect or ▁inspired ▁Wilson ▁to ▁produce ▁a ▁variety ▁of ▁artists ▁outside ▁the ▁Beach ▁Boys , ▁such ▁as ▁Jan ▁and ▁Dean , ▁Rach el ▁and ▁the ▁Revol vers , ▁and ▁the ▁H one ys . ▁He ▁also ▁used ▁the ▁same ▁Hollywood ▁stud ios , ▁session ▁mus icians , ▁and ▁engine ers ▁as ▁Spect or . ▁In ▁a ▁ 1 9 6 6 ▁article , ▁he ▁referred ▁to ▁him ▁as ▁" the ▁single ▁most ▁influ ential ▁producer . ▁He ' s ▁tim eless . ▁He ▁makes ▁a ▁mil estone ▁whenever ▁he ▁goes ▁into ▁the ▁studio ." ▁Later , ▁he ▁reflected : ▁" I ▁was ▁unable ▁to ▁really ▁think ▁as ▁a ▁producer ▁up ▁until ▁the ▁time ▁where ▁I ▁really ▁got ▁familiar ▁with ▁Phil ▁Spect or ' s ▁work . ▁That ▁was ▁when ▁I ▁started ▁to ▁design ▁the ▁experience ▁to ▁be ▁a ▁record ▁rather ▁than ▁just ▁a ▁song ." ▁He ▁explains : ▁" Before ▁Spect or , ▁people ▁recorded ▁all ▁the ▁instruments ▁separately . ▁They