Every_breath_you_take_sting_acoustic_karaokefem... Today
Use legato phrasing during the verses ("every single day") to create a smooth, obsessive flow, but switch to a more staccato or breathy delivery during the bridge ("Since you've gone...") to emphasize the desperation.
For a different texture, KantaPiano'PH offers a Female Key Karaoke Piano version. every_breath_you_take_sting_acoustic_karaokefem...
You can use the Female / Higher Key Acoustic Karaoke on YouTube, which is pitched higher to suit female vocal registers. Use legato phrasing during the verses ("every single