+.B new_bias \fIWEIGHT\fR
+The weight for new tracks.
+The default is 900000, i.e. recently added tracks are a hundred times as likely
+to be picked as normal.
+.TP
+.B new_bias_age \fISECONDS\fR
+The maximum age of tracks that \fBnew_bias\fR applies to, in seconds.
+The default is one week.
+.TP