Swirsky v. Carey
376 F.3d 841 (9th Cir. 2004) - full text opinion
You can listen to a clip from Seth Swirsky's song "One Of Those Love Songs" (as performed by the R&B group Xscape) here. Mariah Carey also has a sample of a remix of "Thank God I Found You" available for listening here (a clip from the original version is available from Amazon).
The Musicology Department at the University of California, Los Angeles (home of Dr. Robert Walser, the expert whose testimony was examined by the court in this case) offers a number of interesting courses to its students, such as Electronic Dance Music, The Beatles, and History of Jazz.