Bangaluru: Twitter Inc has been in talks with Berlin-based online music platform SoundCloud in its efforts to add a music service to its offering, the Financial Times reported citing people familiar with the matter. The microblogging site has weighed up deals worth billions of dollars and has also considered buying music-streaming service Spotify and internet-radio provider Pandora Media, the newspaper said citing the people. SoundCloud is an audio platform that enables people to upload, record, promote and share their music.