Michael Franti & Spearhead, whose song “Say Hey (I love you)” peaked at No. 18 on the Billboard Hot 100 and sold over 120,000 digital copies, lit up McDonald Theatre this Tuesday night. Franti was opened by the Ethan Tucker Band.

Michael Franti sings into the mic. Michael Franti & Spearhead perform at McDonald Theatre on Oct. 8, 2013. (Nate Barrett/Emerald)

Guitarist J. Bowman leans out toward the audience while blasting a guitar solo. Michael Franti & Spearhead perform at McDonald Theatre on Oct. 8, 2013. (Nate Barrett/Emerald)

Michael Franti takes to the stage as Michael Franti & Spearhead perform at McDonald Theatre on Oct. 8, 2013. (Nate Barrett/Emerald)

Lights and lasers light up McDonald Theatre as Michael Franti & Spearhead perform on Oct. 8, 2013. (Nate Barrett/Emerald)

Michael Franti motions toward the audience. Michael Franti & Spearhead perform at McDonald Theatre on Oct. 8, 2013. (Nate Barrett/Emerald)

Michael Franti sings into the mic. Michael Franti & Spearhead perform at McDonald Theatre on Oct. 8, 2013. (Nate Barrett/Emerald)

Michael Franti motions toward the audience. Michael Franti & Spearhead perform at McDonald Theatre on Oct. 8, 2013. (Nate Barrett/Emerald)

Guitarist J. Bowman clasps hands with members of the crowd as Michael Franti & Spearhead perform at McDonald Theatre on Oct. 8, 2013. (Nate Barrett/Emerald)

Michael Franti sings into the mic. Michael Franti & Spearhead perform at McDonald Theatre on Oct. 8, 2013. (Nate Barrett/Emerald)

Michael Franti plays a guitar toward the audience. Michael Franti & Spearhead perform at McDonald Theatre on Oct. 8, 2013. (Nate Barrett/Emerald)

Ethan Tucker, lead singer of the Ethan Tucker Band, sings into the microphone as part of the opening act for Michael Franti & Spearhead. (Nate Barrett/Emerald)