American Top 40 with Casey Kasem aired on radio from July 4, 1970 until August 6, 1988. This rebroadcast is one of many I have recorded from internet radio. Some are incomplete but most are not and I hope you enjoy these as much as I do.
In this broadcast:

The first and probably the only time four acts appear in a row in the countdown all from Sydney, Australia

40: Tall Cool One - Robert Plant
39: I'm Still Searching - Glass Tiger
38: Lost In You - Rod Stewart
37: Pink Cadillac - Natalie Cole
36: When We Kiss - Bardeux
35: Da' Butt - E.U.
34: Angel - Aerosmith
33: My Girl - Suave
32: Wishing Well - Terence Trent Darby
31: Under The Milky Way - The Church
30: New Sensation - Inxs
29: Beds Are Burning - Midnight Oil
28: Electric Blue - Icehouse
27: Pour Some Sugar On Me - Def Leppard
26: Mercedes Boy - Pebbles
25: Dreaming - Orchestral Manoeuvres In The Dark
24: Strange But True - Times Two
23: Nothin' But A Good Time - Poison
22: Nite And Day - Al B. Sure
21: Two Occasions - The Deele
20: Kiss Me Deadly - Lita Ford
19: The Flame - Cheap Trick
18: I Still Believe - Brenda K. Starr
17: Always On My Mind - Pet Shop Boys
16: We All Sleep Alone - Cher
15: Alphabet St. - Prince
14: The Valley Road - Bruce Hornsby & The Range
13: Wait - White Lion
12: Dirty Diana - Michael Jackson
11: Circle In The Sand - Belinda Carlisle
10: Anything For You - Gloria Estefan & Miami Sound Machine
9: Make It Real - The Jets
8: I Don't Want To Live Without You - Foreigner
7: Foolish Beat - Debbie Gibson
6: Piano In The Dark - Brenda Russell Featuring Joe Esposito
Ldd; Mandolin Rain - Bruce Hornsby & The Range
5: Together Forever - Rick Astley
4: Everything Your Heart Desires - Daryl Hall & John Oates
3: Naughty Girls (Need Love Too) - Samantha Fox
2: Shattered Dreams - Johnny Hates Jazz
1: One More Try - George Michael