Lost the "added within" feature

[stevem]

On Monday 03 December 2007, stevem wrote:
> In the collection tab, Amarok now says every song played is newly added
> to my collection.  When I select "added today" i see my new music, but
> it also lists any tunes played today.
>
bad from to reply to one's own posts but I thought maybe if I rephrase the 
question?

Does anyone know what mechanism amarok uses to determine when a song is 
added to the collection?  Is it a database entry or the filesystem 
itself?

thx,
stevem