What do the underlined words mean?
" Check out the unpredictable interplay between the group members... where Norite's exciting percussion sets tempo, While Ariel's piano races in and around Frank's surprising guitar lines.
"Sets" refers to the drums creating the temp, the beat of the song. "Races in and around" appears to mean interacts with and complements the guitar music. "Lines" refers to the guitar music, probably strings of notes or chords.
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