What is the name of the vocal technique used in these videos?

• Lauren Jauregui - If I Ain't Got You (1:00 - "Some just want everything")
• Miggy Milla and Nikolas Metaxas - If I Ain't Got You (1:21 - "I don't want nothing at all")
• Carlos Jerez - If I Ain't Got You (1:00 - "I don't want nothing at all")

What is the name of the vocal technique used in these videos?

• Lauren Jauregui - If I Ain't Got You (1:00 - "Some just want everything")
• Miggy Milla and Nikolas Metaxas - If I Ain't Got You (1:21 - "I don't want nothing at all")
• Carlos Jerez - If I Ain't Got You (1:00 - "I don't want nothing at all")
• Anthony Evans & Jesse Campbell - If I Ain't Got You (1:00 - "I don't want nothing at all")

What is the name of the vocal technique used in this video?

Lauren Jauregui - If I Ain't Got You (1:00 - "Some just want everything")

What is the name of the vocal technique used in these videos?

• Lauren Jauregui - If I Ain't Got You (1:00 - "Some just want everything")
• Miggy Milla and Nikolas Metaxas - If I Ain't Got You (1:21 - "I don't want nothing at all")
• Carlos Jerez - If I Ain't Got You (1:00 - "I don't want nothing at all")