Short answers, pulled from the story.
The lineup for Deep Purple was complete by March 1968 with Jon Lord, Ritchie Blackmore, Nick Simper, Ian Paice, and Rod Evans. The project began as Roundabout in 1967 when Chris Curtis contacted Tony Edwards to manage a new group he was assembling.
A fire caused by a man firing a flare gun into the ceiling burned down the casino during a Frank Zappa concert on the night of the 4th of December 1971. The band recorded the album instead in a corridor at the nearby empty Grand Hôtel de Territet except for Smoke on the Water which was recorded at The Pavillon before police asked them to leave.
Internal tensions and exhaustion grew noticeable after Who Do We Think We Are leading to Ian Gillan quitting following their second tour of Japan in summer 1973 while Roger Glover was dismissed at Blackmore's insistence. The last show the 15th of March 1976 Liverpool Empire Theatre ended with Coverdale walking off tears handing resignation told no band left quit as Lord Paice already decided break up band. Tommy Bolin was found unconscious the 4th of December 1976 Miami supporting Jeff Beck unable wake called paramedics too late official cause multiple-drug intoxication age 25.
In April 1984 eight years after demise full-scale legal reunion took place classic Mark II lineup Jon Lord Ian Paice Ritchie Blackmore Ian Gillan Roger Glover. Reformed band signed worldwide deal PolyGram Mercury Records releasing albums US Polydor Records UK other countries.
Band unanimously chose Dixie Dregs former Kansas guitarist Steve Morse Satriani successor August 1994. Blackmore still disagreed decision creating tension especially Gillan particular contention Gillan reworked material written Turner new album. Band began European tour documented live album Come Hell High Water released 1994 home video same name covering Birmingham England show displayed disgruntled Blackmore perform many guitar parts throw cup water cameraman unknown reasons.