Billboard Hot 100 | Top 5 – Week of May 21, 1966
The Billboard Hot 100 for May 21, 1966 remained under the control of The Mamas & The Papas as “Monday, Monday” held onto the #1 position for a third consecutive week. The song had become one of the defining records of the spring, combining lush harmonies, thoughtful lyrics, and the distinctly California sound that was rapidly gaining popularity across America.
Behind the chart leader, Bob Dylan continued his remarkable climb with “Rainy Day Women #12 & 35,” moving from #3 to #2. The unconventional single demonstrated Dylan’s growing influence on popular music and showed that audiences were willing to embrace songs that broke traditional pop formulas. Meanwhile, The Young Rascals remained strong at #3 with “Good Lovin’,” one of the year’s most energetic and soulful hits.
The week’s biggest mover was Percy Sledge’s “When A Man Loves A Woman,” which surged from #9 to #4. The emotional ballad was quickly becoming one of the most powerful soul records of the decade. The Mindbenders also broke into the Top 5 with “A Groovy Kind Of Love,” adding a softer British pop sound to the upper reaches of the chart.
This chart perfectly illustrates the musical diversity of 1966. Folk-rock, soul, British pop, garage rock, harmony-driven California music, and Motown all shared space in the Top 10. Few periods in music history produced such a wide range of successful sounds simultaneously.
Top 5 Songs

1. Monday, Monday – The Mamas & The Papas
“Monday, Monday” remained at #1 for a third consecutive week, confirming its status as one of the biggest records of 1966. The Mamas & The Papas had successfully followed “California Dreamin’” with another major hit that showcased their extraordinary vocal blend.
The song’s polished production and memorable harmonies helped define the California pop sound. By this point, the group had firmly established themselves among the most important acts of the decade.
2. Rainy Day Women #12 & 35 – Bob Dylan
Bob Dylan climbed to #2 with one of the most unconventional records ever to reach the upper reaches of the Hot 100. “Rainy Day Women #12 & 35” featured a loose, celebratory sound unlike anything else on the chart.
The song’s rise reflected Dylan’s growing ability to bring artistic experimentation into the mainstream. Its success demonstrated that listeners were increasingly open to music that challenged traditional pop expectations.

3. Good Lovin’ – The Young Rascals
“Good Lovin’” slipped one spot to #3 but remained one of the strongest records in America. Its energetic blend of rock and soul continued to stand out among the more polished productions surrounding it.
The Young Rascals had proven that American rock groups could compete with anyone on the charts. The song’s continued success helped establish the band as one of the breakout acts of 1966.

4. When A Man Loves A Woman – Percy Sledge
One of the week’s biggest stories was the rapid rise of Percy Sledge’s “When A Man Loves A Woman,” which jumped from #9 to #4. The song’s emotional intensity and heartfelt vocal performance made it impossible to ignore.
The record would soon become one of the most celebrated soul ballads ever recorded. Its climb into the Top 5 marked the arrival of a future classic.

5. A Groovy Kind Of Love – The Mindbenders
The Mindbenders moved into the Top 5 with “A Groovy Kind Of Love,” rising from #13 to #5. The song’s gentle melody and warm vocal performance gave it a timeless appeal.
Its success provided another example of how British acts continued to thrive even as American artists were reclaiming much of the chart. The record’s charm helped make it one of the standout hits of the spring.
More Weeks at #1 for “Monday, Monday”
This song spent multiple weeks at #1 on the Billboard Hot 100. Explore each chart week below:
🎂 What Was the #1 Song on Your Birthday?
If you were born during the week ending May 21, 1966, this was your birthday song:
🎵 Monday, Monday by The Mamas & the Papas
▶ Watch and experience this song →
🎂 Born in the 60s? Try your own birthday:
Top 10 on the Billboard Hot 100 This Week
- Monday, Monday – The Mamas & The Papas
- Rainy Day Women #12 & 35 – Bob Dylan
- Good Lovin’ – The Young Rascals
- When A Man Loves A Woman – Percy Sledge
- A Groovy Kind Of Love – The Mindbenders
- Kicks – Paul Revere & The Raiders Featuring Mark Lindsay
- How Does That Grab You, Darlin’? – Nancy Sinatra
- Message To Michael – Dionne Warwick
- Sloop John B – The Beach Boys
- Love Is Like An Itching In My Heart – The Supremes
Chart Movers This Week
Why This Chart Week Mattered
This chart week mattered because it showcased several future classics simultaneously climbing toward their peaks. “Monday, Monday” remained at #1 while “Rainy Day Women #12 & 35,” “When A Man Loves A Woman,” and “A Groovy Kind Of Love” all gained momentum.
The May 21, 1966 Hot 100 captures a moment when American and British artists were pushing popular music in multiple directions at once. Folk-rock, soul, pop, and garage rock all found a place on the same chart, making it one of the most representative snapshots of mid-1960s music.