31. Alleluia for six voices on quadraphonic tape is a nimble, be-bopping delight. 32. Neither Chrysler, General Motors, nor American Motors ever offered a quadraphonic tape player. 33. Both Columbia and RCA's quadraphonic records could be played on conventional stereo equipment. 34. This is the first album by the Eagles to be released in Quadraphonic surround sound. 35. This is the second album by the Eagles to have a Quadraphonic surround sound pressing. 36. Meanwhile, the station broadcast music from phonograph records encoded in various quadraphonic matrix formats. 37. The 4-speaker mode is only activated by software supporting the DirectSound3D quadraphonic mode. 38. It was also released in Quadraphonic sound on a double 8-track tape set. 39. The album was also issued as a quadraphonic LP with some songs as alternate takes. 40. A Quadraphonic mix was available on both vinyl and Quadraphonic 8-track tape formats.