9 8 6 ▁North ▁American ▁Tour   — ▁Under water ▁Sun light ▁▁ 1 9 8 7 ▁▁ 1 9 8 8 ▁North ▁American ▁Tour   — ▁Opt ical ▁Race ▁▁ 1 9 9 0 ▁▁ 1 9 9 0 ▁British ▁Tour   — ▁Mel rose ▁▁ 1 9 9 2 ▁North ▁American ▁Tour   — ▁ 2 2 0 ▁Vol t ▁▁ 1 9 9 5 ▁▁ 1 9 9 6 – 1 9 9 7   — ▁Tourn ado ▁▁ 1 9 9 7 ▁UK ▁tour ▁▁ 1 9 9 9 – 2 0 0 5 ▁ ▁Notes ▁ ▁" r " ▁indicates ▁a ▁volume ▁or ▁part ▁of ▁a ▁volume ▁re - re leased ▁in ▁a ▁later ▁set , ▁generally ▁because ▁a ▁higher ▁quality ▁or ▁more ▁complete ▁source ▁was ▁found . ▁ ▁" n " ▁indicates ▁a ▁new ▁volume ▁that ▁completely ▁replaced ▁an ▁older ▁volume ▁that ▁was ▁deprecated . ▁ ▁After ▁T anger ine ▁Le aves ▁ 9 ▁was ▁released ▁in ▁set ▁ 1 , ▁a ▁better ▁recording ▁was ▁found ▁and ▁it ▁was ▁replaced ▁by ▁T anger ine ▁Tree ▁ 5 3 . ▁T anger ine ▁Le aves ▁set ▁ 5 ▁released ▁a ▁different ▁concert ▁as ▁T anger ine ▁Le aves ▁ 9 ▁to ▁fill ▁in ▁the ▁gap . ▁ ▁" TD " ▁indicates ▁official ▁T anger ine ▁Dream ▁releases . ▁ ▁Dec im als ▁indicate ▁volumes ▁that ▁have ▁been ▁split ▁because ▁they ▁contain ▁multiple ▁concert s . ▁For ▁example , ▁T anger ine ▁Tree ▁ 5 9 ▁consists ▁of ▁two