This is great, Jody. Can you do one that includes change of tone with the pomodora method?  That would be amazing.  This is great too.  I just worked for 2 hrs and my but went to sleep and my ankle were stiff.  This definitely helps me zone out.  But it'd be helpful to hear a break to signal "take a break".  My head phones stay on during a break... that way when it's time to get back to work... I'd hear it.  I miss my alerts on my computer because of the head phones.  😩... Thanks for reading my rambling.
As it just so happens, I released a 25-minute (pomodoro) version of this track to my customers a couple weeks ago. YouTube video to follow (it always takes longer). It's also available with and without the prompts/alarms. You can check it out here: https://www.jodyhatton.com/shop/focus-and-study/
F. Fryar