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.
read more. Enter Sandman is a song by American metal band Metallica, featured as the opening track and lead single from their eponymous 1991 album. The song was produced by Bob Rock, and the music was written by Kirk Hammett, Lars Ulrich, and James Hetfield.