1. Hormone and Reproductive-Dependent Plasticity of Hearing - An Overview: Andrew Bass and Joseph Sisneros.- 2. Hormone-dependent plasticity of auditory systems in fishes: Paul Forlano, Karen Maruska, Joseph Sisneros and Andrew Bass.- 3. Effects of hormones on the auditory system and acoustic communication in frogs: Walter Wilczynski (awaiting confirmation).- 4. Reproductive and hormone dependent effects on peripheral and hindbrain auditory processing in birds: Melissa Caras, Edwin Rubel and Eliot Brenowitz (awaiting confirmation).- 5. Control of central auditory processing by brain generated estrogen in birds: Luke Remage-Healey.- 6. The role of estrogen in mammalian (mouse) auditory function: Barbara Canlon (awaiting confirmation).- 7. The role of thyroid hormone on mammalian auditory function. Douglas. Forrest (awaiting confirmation).- 8. Hormone replacement therapy and its effects on human hearing: Robert Frisina (awaiting confirmation).- 9. Sex differences and hormonal effects on human audition: Dennis McFadden (awaiting confirmation).- 10. Estrogen and regeneration of mammalian hair cells: Elizabeth Oesterle and Jennifer Stone (awaiting confirmation).- 11. Reproductive related social plasticity and hearing in mammals: Robert Liu (awaiting confirmation).