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.
Disarm  is a song by American alternative rock band The Smashing Pumpkins. It was the third single from their second album, Siamese Dream. Disarm was written by Billy Corgan and is one of the bandâs most highly regarded songs. Corgan considers it the most personally important song on Siamese Dream.