Läther (pronounced like "leather" due to the umlaut) is an album by Frank Zappa. Although its history is complex it was eventually released as a set of three CDs in September 1996 ...
http://en.wikipedia.org/wiki/L%C3%A4ther

Bozzio: L-l-l . . . O'Hearn: Listen now . . . Bozzio: Father I'm glad you're here . . . I want you to hear this . . . I have a confession to make, you know?
http://www.globalia.net/donlope/fz/lyrics/Lather.html

Amazon.com: Läther: Frank Zappa: Music ... Spend at least $10.00 in one order in the Classic Rock, Rock, or Alternative Rock stores at Amazon.com Music by October 31, and receive ...
http://www.amazon.com/L%C3%A4ther-Frank-Zappa/dp/B0000009TT

Läther Source Codes [By Zoot < zootorific@aol.com >. First posted on alt.fan.frank-zappa on September 26, 1996, and re-posted on May 27, 1998. Corrected by JWB in January 1999.]
http://www.lukpac.org/~handmade/patio/misc/lather.html

Läther September 1996, 172:56 min Discography | Notes & Comments
http://www.science.uva.nl/~robbert/zappa/albums/Lather/