U.S.
Patent
Apr.
13,2004
Sheet
12
0f
16
US
6,721,489
B1
store
track
~1402
l
detect
new
track
~1404
l
Fig.
17
access
play
lists
~1406
V
choose
first
play
list
~1408
V
1410
criteria
satisfied?
no
yes
1412
v
/
automatically
add
track
to
play
list
more
play
lists?
choose
next
play
list
~1416
__J
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