'Perfect Day' is Lou Reed's most enduring song, and came to fruition with the help of David Bowie.

'Perfect Day' by Lou Reed: the making of rock's most earnest and enduring ballad

Here's all you need to know about 'My Generation', the ageless anthem for rebellious youth.

'My Generation' by The Who: The making of the ageless anthem for rebellious youth

Sonny & Cher in 1966

'I Got You Babe' by Sonny & Cher: The making of the classic '60s flower power pop duet

Simon & Garfunkel in 1983

'Bridge Over Troubled Water' by Simon & Garfunkel: The making of the ultimate folk power ballad

David Bowie - Space Oddity

'Space Oddity' by David Bowie: The making of the spaceage pop breakthrough

David Bowie

Elton John - Saturday Night's Alright For Fighting

'Saturday Night's Alright For Fighting' by Elton John: The making of the rock 'n' roll glam classic

Elton John

Sparks - This Town Ain't Big Enough For The Both Of Us

This Town Ain't Big Enough For Both of Us by Sparks: The making of the Mael brothers' quirky hit

Blondie - Heart of Glass

'Heart of Glass' by Blondie: The making of the genre-defying new wave disco smash

The Beatles - Eleanor Rigby

'Eleanor Rigby' by The Beatles: The making of the dark pop classic

The Beatles

Pink Floyd - Another Brick in the Wall Part 2

'Another Brick in the Wall' by Pink Floyd: The making of the protest song and unlikely hit single

Don McLean - American Pie

'American Pie' by Don McLean: The making of The Day The Music Died epic

Sandie Shaw - Puppet on a String

'Puppet on a String' by Sandie Shaw: The making of the UK's first Eurovision winner

Cliff Richard and Massiel at the 1968 Eurovision Song Contest

Did Spanish dictator General Franco really cheat Cliff Richard out of Eurovision glory in 1968?

Cliff Richard

Elton John - Rocket Man

'Rocket Man' by Elton John: The making of the stellar space ballad

Elton John

Bob Marley - Live 1975

'No Woman No Cry' by Bob Marley: The making of the reggae crossover smash hit

Bob Marley

Free - All Right Now

'All Right Now' by Free: The making of the classic rock anthem

Mama Cass - Make Your Own Kind of Music

'Make Your Own Kind of Music' by Mama Cass: The making of the '60s hit turned Tiktok meme

Zager and Evans - In the Year 2525

'In The Year 2525' by Zager and Evans: The making of the chart-topping sci-fi masterpiece