Dominatoruke, Welcome to the forum!

I have two thoughts. Do any of your tracks have the blue "snowflake" button engaged? If so, disengage the button(s) as that means the track is frozen and can not be changed. Double time means double bars. At each double time bar you need to right click, select "Insert bars" and select the default selection of one bar. That way four bars becomes eight bars but the chords stay correct.

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"Frozen" drum track

Jim Fogle - 2024 BiaB (1111) RB (5) Ultra+ PAK
DAWs: Cakewalk by BandLab (CbB) - Standalone: Zoom MRS-8
Laptop: i3 Win 10, 8GB ram 500GB HDD
Desktop: i7 Win 11, 12GB ram 256GB SSD, 4 TB HDD
Music at: https://fogle622.wix.com/fogle622-audio-home