This is one of the bass lines in Superman that is repeated at various times through the song.

|-----0--5------------0---------0-----------0
|---------------0--------8---0-----8-----0---
|------------------5-------------------------
|--7---------7-------------------------------
|-------------------------------------7------
|--------------------------------------------

|-----0--5------------0---------0-----7------
|---------------0--------8---0-----8---------
|------------------5-------------------------
|--7---------7-------------------------------
|--------------------------------------------
|--------------------------------------------