======================== unified (from filesystem) ========================
                                         'bitrate'  '159.899'
                                        'duration'  '221'
                                          'artist'  'Uncle Cracker'
                                     'text_people'  ''
                                         'release'  'T562 Lame VBR'
                                           'title'  'Follow Me'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', "
 "'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-3', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['rock', 'country', 'pop', 'alternative', 'uncle kracker']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'set-pl-billboard'
                                             'bpm'  '105.149'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'TALB' (Album/Movie/Show title)                     'T562 Lame VBR'
'TBPM' (BPM (beats per minute))                     '105.149'
'TCON' (Content type, a.k.a. Genre)                 'set-pl-billboard'
'TIT2' (Title/songname/content description)         'Follow Me'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Uncle Cracker'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rock', 'country', 'pop', 'alternative', 'uncle kracker']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.99 dB'
'TXXX:replaygain_track_peak'                        '0.645247'

========================== row from database ==========================
                                              'id'  1306089
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Uncle Cracker - Follow me.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  221
                                           'genre'  set-pl-billboard
                                        'filesize'  3021924
                                           'mtime'  1652397985
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] set pl billboard
                                      'tag_artist'  Uncle Cracker
                                     'tag_release'  T562 Lame VBR
                                       'tag_title'  Follow Me
                                             'bpm'  105.149
                                    'search_title'  'follow':1 'me':2
                                   'search_artist'  'cracker':2 'uncle':1
                                  'search_release'  'lame':2 't562':1 'vbr':3
                                     'search_rest'  '00poprockelectronic':1 'billboard':9 'files':5,6 'loose':3,4 'pl':8 'set':7 'unsorted':2
                                    'search_combo'  '00poprockelectronic':8 'billboard':16 'cracker':4B 'files':12,13 'follow':1A 'lame':6C 'loose':10,11 'me':2A 'pl':15 'set':14 't562':5C 'uncle':3B 'unsorted':9 'vbr':7C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-3', 'Q-LOCALNESS-1']
                                      'lastfmtags'  ['rock', 'country', 'pop', 'alternative', 'uncle kracker']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1652397984.8422637  (2022-05-13 01:26:24)
                             'size'  3021924