Music Week research reveals writers from this side of theAtlantic are dominating the best-sellers list across the pond in a way that has not happened since the so-called British Invasion of the 1980s.

However, while that Invasion was largely about acts writing their own material, this latest assault includes a number of songwriters and producers collaborating with or supplying songs for artists.

Seven of the 10 biggest downloads of the year to date in the US, according to Nielsen SoundScan, ...