TV series example of the word

The Big Bang Theory Season 4, Episode 6
<font color="#E86CE4">(SINGSONG)</font> Da-da-ta-da.

The Big Bang Theory Season 2, Episode 19
<font color="#E86CE4">(IN SINGSONG VOICE)</font> They're here.

The Big Bang Theory Season 10, Episode 11
<i>RAJ: (SING-SONG) You're going to have to be quieter than that.</i>