Publishers like Oxford University Press provide "Audio CD 1.ZIP" files for student and teacher resources, such as the Proficiency Masterclass and the Get Ahead series.
The Sounds from the Rainbow archive uses "Download CD 1 (ZIP)" to distribute non-commercial music collections like "The Leftovers 2000-2008". CD 1.ZIP
The and independent community sites use this naming format for large-scale digital preservation of audio collections. Publishers like Oxford University Press provide "Audio CD 1
Websites like ESOL @ Penny Lane provide entry-level audio scripts and tracks via "CD 1.zip" for adult learners. CD 1.ZIP
nnty.fun/downloads/other/90ssamplecds ... - Internet Archive