How do you make whistles for RNB

[krazyk]

I have made crunk whistles in FL but how do you make whistles like the one in "Bartender" by Tpain and ones u hear in R&B?

 

[rayzer]

try using portamento on a high pitched sine wave and overlap your notes where u want em to bend. then add some chorus and reverb for a more natural sound. sometimes people use square instead of sine

 

[Sleazy E]

https://www.futureproducers.com/forums/showthread.php?t=214384&page=2

I posted a snippet of an rnb instumental i did... i used a preset from spectrasonics atmosphere for the whistle/whiney sound it it..