Top 50 de los 70s
segun el programa de fin de 1979 de American Top 40 (29-dic-79 en Monterrey)
| 1 | You Light Up My Life | Deby Boone | 1977 |
| 2 | Bridge Over Troubled Water | Simon and Garfunkel | 1970 |
| 3 | Joy To The World | Three Dog Night | 1971 |
| 4 | The First Time Ever I Saw Your Face | Roberta Flack | 1972 |
| 5 | Alone Again (Naturally) | Gilbert O'Sullivan | 1972 |
| 6 | Tonight's The Night (Gonna Be Alright) | Rod Stewart | 1976 |
| 7 | American Pie (Parts 1 and 2) | Don McLean | 1972 |
| 8 | How Deep Is Your Love | Bee Gees | 1977 |
| 9 | Stayin' Alive | Bee Gees | 1978 |
| 10 | My Sharona | The Knack | 1979 |
| 11 | One Bad Apple | The Osmonds | 1971 |
| 12 | Shadow Dancing | Andy Gibb | 1978 |
| 13 | Maggie May/Reason To Believe | Rod Stewart | 1971 |
| 14 | It's Too Late/I Feel The Earth Move | Carole King | 1971 |
| 15 | My Sweet Lord/Isn't A Pitty | George Harrison | 1970 |
| 16 | Night Fever | Bee Gees | 1978 |
| 17 | Silly Love Songs | Paul McCartney and Wings | 1976 |
| 18 | Le Freak | Chic | 1978 |
| 19 | I'll Be There | Jackson 5 | 1970 |
| 20 | Best Of My Love | The Emotions | 1977 |
| 21 | How Can You Mend A Broken Heart | Bee Gees | 1971 |
| 22 | A Horse With No Name | America | 1972 |
| 23 | (They Long To Be) Close To You | The Carpenters | 1970 |
| 24 | Bad Girls | Donna Summer | 1979 |
| 25 | Reunited | Peaches and Herb | 1979 |
| 26 | I Can See Clearly Now | Johnny Nash | 1972 |
| 27 | Tie A Tellow Ribbon 'round The Old Oak Tree | Dawn featuring Tony Orlando | 1973 |
| 28 | My Love | Paul McCartney and Wings | 1973 |
| 29 | You're So Vain | Carly Simon | 1973 |
| 30 | Ain't No Mountain High Enough | Diana Ross | 1970 |
| 31 | Raindrops Keep Fallin' On My Head | B. J. Thomas | 1970 |
| 32 | Love Will Keep Us Together | Captain and Tennille | 1975 |
| 33 | Hot Stuff | Donna Summer | 1979 |
| 34 | Without You | Nilsson | 1972 |
| 35 | Da Ya Think I'm Sexy | Rod Stewart | 1979 |
| 36 | Crocodile Rock | Elton John | 1973 |
| 37 | I Will Survive | Gloria Gaynor | 1979 |
| 38 | American Woman/No Sugar Tonight | The Guess Who | 1970 |
| 39 | Let It Be | The Beatles | 1970 |
| 40 | I Just Want To Be Your Everything | Andy Gibb | 1977 |
| 41 | I Honestly Love You | Olivia Newton-John | 1974 |
| 42 | December 1963 (Oh What A Night) | The Four Seasons | 1976 |
| 43 | Three Times A Lady | The Commodores | 1978 |
| 44 | Don't Go Breaking My Heart | Elton John and Kiki | 1976 |
| 45 | Me And Mrs. Jones | Billy Paul | 1972 |
| 46 | I Think I Love You | The Partridge Family | 1970 |
| 47 | The Way We Were | Barbra Streisand | 1974 |
| 48 | 50 Ways To Leave Your Lover | Paul Simon | 1976 |
| 49 | Kiss You All Over | Exile | 1978 |
| 50 | Family Affair | Sly and the Family Stone | 1971 |