Transition metals tend to form more coloured ions and compounds more than most other elements either in solid form or dissolved in a solvent like water. Examples of the colours of some transition metal salts in aqueous solution are shown below (grey = colourless in the diagrams).
Welcome to the Machine. Welcome to the Machine is the second song on Pink Floyd's 1975 album Wish You Were Here. Written by bassist Roger Waters, it features heavily processed synthesizers and acoustic guitars, as well as a wide range of tape effects. 1 Theme.
Time to Die!, in reference to the songs bridge. The song was used as the concert introduction during Shakira's world tour, the Tour of the Mongoose. Australian rock band Mammal frequently cover Welcome to the Jungle live, incorporating the first verse and chorus of the song as part of their own song, Inciting.