Brent Faulkner of PopMatters stated, "Lights continues to deliver, exhibiting a lovely vocal tone.

Owl City's vocals are most surprising; rarely has Adam Young sounded so smooth.

remarked, "With the help of Adam Young, aka Owl City, the already ballad-like 'Cactus in the Valley' is transformed into a harmonious duet full of intrigue and wonder.

The melody of the piano combines beautifully with the almost ethereal tone of Lights' voice to create nothing short of a work of art.

"[6] "Cactus in the Valley" debuted and peaked at number nine on the UK Cross Rhythms Weekly Chart.