(paul arthur) "detour" is the first wave of noir production.t lays out a blueprint for how the noir narrative works. there's a character who has a secure job at the beginning. has a secure relationship with a woman. the woman leaves to go to hollywood. and this man goes to join her. (man's thoughts) if only i had known what i was getting into. (paul arthur) this starts a journey where he, in an almost myth-like fashion, is picked up by a kind of messenger. but this man dies under mysterious circumstances. the hero takes on the identity of a dead man, the most desperate thing you can do in film noir. (man's thoughts) i saw at once he was dead and i was in for it. who would believe he fell out of the car? (kathryn bigelow) "detour" is quintessential noir insofar as it's so raw, it's so exposed. there is nothing to comfort you. (man's thoughts) instinct told me to run, but i realized it was hopeless. enter the heart of darkness, it is a descent into hell, visually and internally, from which you cannot escape until it's over with. i knew him better

arthur of rock 'n' roll constitution. ♪ ♪ >> reporter: mccartney's work has been covered by icons from almost every musical genre. famously, john lennon and paulong writing partners as teenager, one a rock 'n' roller, the other a music poli mack. ♪ ♪ those first notes on strawberry fields were paul mccartney's idea. ♪ ♪ were you competitive writing with each other? >> me and john? >> yeah. they were competitive. not openly, but we later admitted, yeah, you know, paul's wrip a good one there. i better get going. i would similarly, hmm, that's a good one. write. here we go, come on. he'd write strawberry fields. i'd write penny lane. he's remembering his old area, so i'll remember mine. >> reporter: did you compliment each other? >> once. >> reporter: in how many years? >> not one time. no. i think it was revolver. here, there, and everywhere was one of my songs on it. ♪ ♪ snend snepd. >> and that's a really good song there, i love that song. i was like, yes! he likes it. you know, i remembered it to this day. it's pathetic, really. >> reporter: did you ever heap praise on him? >> yeah. i'd tell him he was great. you had to be drupg. it helped.