Aguilera asked Sia whether she wished to bring anyone to their first recording session of which Sia did, after she contacted her bass player Sam Dixon they wrote four tracks for Aguilera's "Bionic" record.
They wrote four tracks for Aguilera's "Bionic" record. This was what Aguilera asked Sia. She wished to bring anyone to their first recording session of which Sia did. She contacted her bass player Sam Dixon.