第28张个人专辑 Spinal Clock is the twenty-eighth studio album by avant-garde guitarist Buckethead. The title may refer to Buckethead's back injury in April 2010, it is his first solo album released since then. The album was announced and available for pre-order on August 25 via the TDRS Music page, suggesting a release date on or near September 15. Eventually the album was released one day after, on September 16, 350 signed copies of the album were sent out. While the rest of the signed orders and the regular ones where sent a day later. The site also contains 30-second samples of every track from the album, except for "Spinal Cracker" which can be heard in its entirety. The album consists of 9 tracks played with a Banjo guitar. Originally, the first 300 copies of the album were limited edition, signed and numbered by Buckethead, while the rest was going to released as a regular Non-Limited CD, but due to the high demand of the album, Travis Dickerson announced that the amount of limited edition copies had been extended to 500. On September 13 it was announced that the 500 limited edition copies had sold out.