Claudine Longet

Claudine Longet with the "Nothing To Lose / White Horses" single from 1968.
Side A, "Nothing To Lose" was written by Henry Mancini and Donald black:

Side B, "White Horses" was written by Michael Carr and Ben Nisbet:

A Tribe Called Quest

"Electric Relaxation" from the 1993 album Midnight Marauders:

Lee Hazlewood & Ann Margaret

Lee and Ann perform "Chico" in 1968 on the Swedish TV special, "Love and Other Crimes"

Jackie Quartz

"Émotion (Le Jour Se Lève)" single, 1987:

Grandmaster Flash & The 4 MC's

mixtape of a live set from 1978 when hip hop was still a baby:

Trisomie 21

Trisomie 21 has been a highly regarded staple in French electronic music since the early 80's up until the present day. "Memories" from Chapter IV (1986):

The Tornados

A Joe Meek (that's him on the far left) production, the Tornados with their 1962 uber-hit (it was the first British single to hit #1 on the US Hot 100), "Telstar":

R. Stevie Moore

SIT DOWN. performing on the Uncle Floyd Show, NJ, 1980:

Tom Dissevelt & Kid Baltan

recorded in 1957 in the Netherlands, released in 1963 in the US, some of the earliest "serious" electronic music to be found out there (no keyboards here, simply computer algorithms), "Sonic Re-Entry":

The Sharades

a cover of Ginny Arnell's hit song, "Dumb Head" by the Sharades, a group produced by the amazing Joe Meek. 1964:

Vanity

Vanity went from the Prince protégée group Vanity 6 to her own solo career, recording two successful albums and several chart-topping singles. This is a live tv performance of "Romantic Voyage" from her second solo album, Skin on Skin (1986):


for better audio click here.

The Beach Boys

...are most immediately known for their unmistakable harmonies, and perhaps especially in the case of the ground-breaking album, Pet Sounds (and Brian Wilson's withdrawl following its successful release). But one of the most ambitious and strikingly "different" songs on Pet Sounds contains none of their signature harmonies, or any voices at all for that matter...
"Let's Go Away For Awhile" from Pet Sounds (1966):

Black Sheep

"Without A Doubt" from Non-Fiction (1994):

Mid Day Rain

1970 single from Mid Day Rain, their only two recordings I can find...
"Welcome to the Rain":

"Friday Mourning":

Roger Nichols Trio

Roger Nichols released a string of singles under different formations of his group, sometimes as The Small Circle of Friends, sometimes as the Trio, sometimes simply as Roger Nichols. Eventually, a full-length album was recorded in '68 as Roger Nichols & the Small Circle of Friends. Here is the 1967 Snow Queen single, different from the 1968 album version, recorded as the Roger Nichols Trio:

The Voices of East Harlem

The Voices with their 1973 single, "Giving Love":

The Phantom

Jerry Lott (the Phantom) recorded "Love Me" in 1958 in two takes; the first being a more subdued performance than the explosive, testosterone-filled second. The second take was released on 7" in 1960 on Dot records. Here's the whole record:
"Love Me":

standing in direct contrast to the raw A-side, "Whisper Your Love":

Haruomi Hosono

One of the founding members of Yellow Magic Orchestra, part-time session bassist, and electronic producer, Haruomi Hosono also produced some of his own eclectic music, including the album Philharmony (1982), a collection of ambient, experimental, and pop electronic sounds.
"Living Dining Kitchen":

"Platonic":

"Luminescent/Hotaru"

Brigitte Bardot Et Serge Gainsbourg

Brigitte Bardot, French singer/actress, teamed up with musician/actor/director Serge Gainsbourg to make several recordings in the late 60's. Gainsbourg's experimental, widely varied sound greatly influenced French popular and avant-garde music.
The duo originally recorded the "Bonnie and Clyde" single in 1967, and Gainsbourg released it in 1968:

Birth Control

it's been a while since i've posted some prog. here's Birth Control live with "Skateboard Sue" from their 8th studio album, Increase (1977). That's Zeus B. Held on the keys, there.

Love

Arthur Lee and Love with "Old Man" from their classic 1967 album, Forever Changes:

P. Lion

Pietro Paolo Pelandi with his song, "Happy Children", which appeared on the album Springtime (1984) as it is here, a shorter version of the extended 1983 hit single:

Associates

"Skipping" from the 1982 album Sulk: