(1) During this time , Cousin also played as a session musician on two songs by Mice , a band created by Regan that existed between 1995 and 1997 .
(2) During that time , Cousin also played as a session musician on two songs by Mice , a band of Regan , which existed between 1995 and 1997 .

Do these two sentences mean the same thing?

Options:
1). no;
2). yes;
2).