- BERTENGE - 01 - Old School Kid (feat. The Z) - BERTENGE - 01 - Old School Kid (feat. The Z) BERTENGE - 02 – Old School Kid Inst. (feat. The Z) [Credit] Executive produced by The Z Produced by The Z Composed by The Z Lyrics by BERTENGE Arranged by The Z Drum programming by The Z Bass by The Z Organ by The Z Lead by The Z Rap by BERTENGE Scratch by The Z Mixed by The Z Mastered by The Z ArtWork by The Z