Could be any number of reasons... but this leads me to believe a Weekend sequel could be possible in the future if the stars align.
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Thinking about it further with Weeknd, I wonder if they got the Mike Dean remixes that were done for Hollywood; or if Dean will be working with Singapore on remixes for the sake of DawnFM tracks to be added for certain scenes. Would be great to see that continue, like with Figure and Slash being involved more prominently in Hollywood each and every year.
Last year Hollywood and Orlando did share the remixes to an extent, with In Your Eyes, Save Your Tears, Sacrifice, Blinding Lights (atleast for the mirror portion) and Take My Breath having the same tracks; but Hollywood diverged from that with remixes of Too Late, After Hours & Heartless Monster (Heartless/Party Monster) all represented in Hollywood. Would certainly make sense to use what was present already from both, especially Hollywood in this house.