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.
Although most of that might not have been on Hupfeld 's mind when he wrote the song for Everybody's Welcome in 1931, by 1942 the song's deeper meaning spoke to the people of a world at war who hoped that the world would always welcome lovers as time goes by..lthough the only song anyone remembers is As Time Goes By, composer Herman Hupfeld was better known in the '30s for his novelty song When Yuba Plays the Rhumba on the Tuba..