Official and high-quality studio acapellas can be found on several platforms:
Sites like 1Acapella and Rockstar Acapellas offer the studio acapella and full multitrack stems (including bass, drums, and synths) for remixing. kid cudi ft. david guetta - memories acapella
REMIX Kit has released a "130 BPM Acapella Vocals Tribute" available on Spotify , Deezer , and JioSaavn . Official and high-quality studio acapellas can be found
The vocals feature Kid Cudi's iconic "mellow, nonchalant" style, focusing on themes of nightlife and liberation. Availability & Sources kid cudi ft. david guetta - memories acapella
You can find various isolated vocal versions and production remakes of 'Memories' to assist with your remix or feature project: