======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '149'
                                          'artist'  '3 Doors Down'
                                     'text_people'  'Brad Arnold/Matt Roberts/Todd Harrell'
                                         'release'  'The Better Life'
                                           'title'  'Smack'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', 'alternative', 'hard rock', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'rock-gr'
                                             'bpm'  '129.315'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'The Better Life'
'TBPM' (BPM (beats per minute))                     '129.315'
'TCOM' (Composer)                                   'Brad Arnold/Matt Roberts/Todd Harrell'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Smack'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               '3 Doors Down'
'TPE2' (Band/orchestra/accompaniment)               '3 Doors Down'
'TPUB' (Publisher)                                  'Uptown/Universal'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['alternative rock', 'alternative', 'hard rock', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.16 dB'
'TXXX:replaygain_track_peak'                        '0.374052'

========================== row from database ==========================
                                              'id'  1291679
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/The Best Of/3 Doors Down - Smack.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  149
                                           'genre'  rock-gr
                                        'filesize'  3597376
                                           'mtime'  1636903144
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted Best Of rock gr
                                      'tag_artist'  3 Doors Down
                                     'tag_release'  The Better Life
                                       'tag_title'  Smack
                                             'bpm'  129.315
                                    'search_title'  'smack':1
                                   'search_artist'  '3':1 'doors':2 'down':3
                                  'search_release'  'better':2 'life':3 'the':1
                                     'search_rest'  '00poprockelectronic':1 'best':3 'gr':6 'of':4 'rock':5 'unsorted':2
                                    'search_combo'  '00poprockelectronic':8 '3':2B 'best':10 'better':6C 'doors':3B 'down':4B 'gr':13 'life':7C 'of':11 'rock':12 'smack':1A 'the':5C 'unsorted':9
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'alternative', 'hard rock', 'rock']
                                        'tag_date'  2000
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636903144.153473  (2021-11-14 16:19:04)
                             'size'  3597376