Older version not available

I deleted an older version while trying to upgrade to newer version in order to continue working on a song that I had started on my phone. Went to upload newest version but was unable to do so because it required version 10.3 of OS. My older iPad will only upgrade to 9.? Of the OS. I would have expected it to give the option of reinstalling an older version that would work with my current operating system, but it will not work. Now I without any version of GarageBand on my iPad. Apple should allow for using older version to upload for use on older iPads, especially when people such as myself like the older units for dedicated apps like music studio work

Brett Kjell about GarageBand, v2.2.2