Lazaro messed up the lyrics during the Trio.
This week's co-mentor was Smokey Robinson.
Tonight, instead of the "do you agree?" question, the live Tweeting question was What is your favorite music on Idol? and the choices were #IdolCountry, #IdolRock, #IdolRandB and #IdolPop.
This episode's Twitter hashtags were: #MotorCityIdol, #idoltop8 and #inittowinit.
The contestants sang songs from any artist who is from Detroit. Duets and Trios were also introduced for this season. The songs sung tonight were:
Candice Glover-"I Heard It Through The Grapevine" by Marvin Gaye
Janelle Arthur & Kree Harrison-"Like a Prayer" by Madonna
Lazaro Arbos-"For Once in My Life" by Stevie Wonder
Janelle Arthur-"You Keep Me Hangin' On" by The Supremes
Devin Velez-"The Tracks of My Tears" by The Miracles
Candice Glover, Amber Holcomb & Angie Miller-"I'm Going to Make You Love Me" by Diana Ross & the Supremes and The Temptations
Burnell Taylor-"My Cherie Amour" by Stevie Wonder
Angie Miller-"Shop Around" by The Miracles
Amber Holcomb-"Lately" by Stevie Wonder
Lazaro Arbos, Burnell Taylor & Devin Velez-"I Can't Help Myself (Sugar Pie Honey Bunch" by The Four Tops
Kree Harrison-"Don't Play That Song (You Lied)" by Aretha Franklin