Complex sentence: On 13 June, Gibb and Maurice reunited and they recorded four songs, the two of the four tracks was released on their upcoming album "2 Years On", the session was originally for Maurice alone as he bought Gibb to the sessions.
Split into simpler sentences: On 13 June, Gibb and Maurice reunited and they recorded four songs, with two of the four tracks released on their upcoming album "2 Years On". The session was originally for Maurice alone as he brought Gibb to the sessions.