None. Diahann Carroll has never been nominated for a Grammy.
Cyndi Lauper
The first one that comes to mind, and which was Grammy nominated, is Long Hard Ride not sure if that's the one you're referring to.
Zero. Some of her admirers argue that she is "young and very talented", believing that she will soon be awarded a Grammy. This is debatable. It has been mistakenly reported that she was nominated for The Climb (which was later disqualified, as it was not originally written for The Hannah Montana Movie); Ms Cyrus did not write the song, so she was not personally nominated.
Paul Mcartney
No. As of 2014, Jason Derulo has not been nominated for, nor has he received, a GRAMMY Award.
Akon has not won a Grammy yet but was nominated for one for smack that
they haven't but they were nominated for one in 2006
Joe has been nominated for a total of 13 Grammy awards. He has yet to win one though.
They've been nominated before, but have not won.
Schism
The Cluster Puckers, a quartet of harmony singers and songwriters and country music instrumentalists had one song nominated for a Grammy award. In 1987 country music legend Chet Atkins co-wrote "Would Jesus Wear a Rolex?" and it was sung by Ray Stevens and nominated for the Grammy.
She has never been nominated nor recieved a Grammy.
Usher was nominated for 15 grammies thus far!
No. they weren't even nominated in 2012 Grammy awards. They have won 2 grammys till date and were nominated in 6.
He has won 4 GRAMMY Awards and he was nominated for 8
None. He was not nominated in any category for the 2010 Grammy Awards.