Simplify the following text for a Grade 10 native English-speaking person.
Original: Onew collaborated with Lee Hyun Ji , former member of project group Banana Girl , for his song `` Vanilla Love '' and with label-mate , Jessica of Girls ' Generation for the song `` Il Nyeon Hu ( One Year Later ) '' .
Simplified: Onew collaborated with Lee Hyun Ji , former member of project group Banana Girl , for his song `` Vanilla Love '' .