 Columbia Records released Alice in Chains ' second acoustic @-@ based EP , Jar of Flies , on January 25 , 1994 . Written and recorded in one week , Jar of Flies debuted at number one on the Billboard 200 , becoming the first ever EP — and first Alice in Chains release — to top the charts . Paul Evans of Rolling Stone called the EP " <unk> gorgeous " , and Steve Huey stated " Jar of Flies is a low @-@ key <unk> , <unk> gorgeous and <unk> <unk> all at once " . Jar of Flies features Alice in Chains ' first number @-@ one single on the Mainstream Rock charts , " No <unk> " . The second single , " I Stay Away " , reached number ten on the Mainstream rock charts , while the final single " Don 't Follow " , reached number 25 . After the release of Jar of Flies , Staley entered rehab for heroin addiction . The band was scheduled to tour during the summer of 1994 with Metallica , <unk> <unk> , Danzig , and Fight , as well as a slot during Woodstock 94 , but while in rehearsal for the tour , Staley began using heroin again . Staley 's condition prompted the other band members to cancel all scheduled dates one day before the start of the tour , putting the band on hiatus . Alice in Chains was replaced by <unk> on the tour . 
