Change tempo in the middle of song

Getting Stuff Done How do I .... ?
#1

I just recorded a song and realised i need the tempo needs to be faster during the solo part.
how can i change from 160bpm to 180bpm during only a part ?

I’m using hydrogen for the drums , ub.studio 16.04 with kxstudio ppa added, running ardour 5.8

#2

found it , had to make new track though couldnt change existing one

#3

Hi Yor, I just started a song like yours. Check this: https://ibb.co/erBFxa