Replay Media Catcher 6 ID3 Tags

The instructions say to use: {D} day, {M} month, {Y} year. Seems simple enough, but cannot get it working. If I put in {Y}{M}{D}, my title just says literally {Y}{M}{D}, not the actual date. What I really want to achieve is this: YYYYMMDD as in 20150827.

Any hints? Thanks.