Here is the entire list of Audiobooks from LearnSmart (formerly PrepLogic) Lecture Series. They are meant to be used for exam preparation and they are tightly summarized and condensed while covering all exam topics.
They are all MP3 and should be readable on any platform.

This is the CD set which is packaged with the seventh edition of the music appreciation textbook Listen. Consistently praised as the best book of its kind, Listen uses readable, enjoyable prose and the highest quality recordings to introduce students to the art of focused listening.

Burn the disc longevity - Exclusive burn using Nero SecurDisc 3.0 provides a readable disks, even if they scratch their physical aging and deterioration.

1001 Albums You Must Hear Before You Die is a highly readable list of the best, the most important, and most influential pop albums from the 1955 through 2003. By a carefully selected team of the International Critics, each album is a groundbreaking work seminal to the understanding and appreciation of music from the 1950s to the present. Included with each entry are production details and credits as well as reproductions of original album cover art. Perhaps most important of all, each album comes with an authoritative description of its Importance and Featured influence. Among the Critics involved in selected in the list are some of the best known music Reviewers and commentators, including Theunis Bates (music writer for Time and urban editor at worldpop), Jon Harrington (staff writer at MTV), Seth Jacobson (writer for Dazed & confused), as well as many others.

This is an unbelievable amount of Marlo material released in the late 1970's/early 1980's. Quality ranges volume to volume from great, to readable.