If you use this plug-in https://forum.audacityteam.org/t/bpm-calculator/27106/1 with the click track in the first song you should get a pretty accurate value for the bpm of the first click track.
If you use this plug-in https://forum.audacityteam.org/t/bpm-calculator/27106/1 with the click track in the first song you should get a pretty accurate value for the bpm of the first click track.