======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '299'
                                          'artist'  'Edie Brickell & New Bohemians'
                                     'text_people'  ''
                                         'release'  'Born on the Fourth of July'
                                           'title'  "A Hard Rain's a Gonna Fall"
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['female vocalists', 'folk rock', 'alternative', 'rock', '80s']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1962'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '124.315'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'American; Texas'
'TALB' (Album/Movie/Show title)                     'Born on the Fourth of July'
'TBPM' (BPM (beats per minute))                     '124.315'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '1962'
'TIT2' (Title/songname/content description)         "A Hard Rain's a Gonna Fall"
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Edie Brickell & New Bohemians'
'TRCK' (Track number/Position in set)               '1'
'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'                                   ['female vocalists', 'folk rock', 'alternative', 'rock', '80s']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.40 dB'
'TXXX:replaygain_track_peak'                        '0.574092'

========================== row from database ==========================
                                              'id'  1502783
                                            'path'  /data/Music/Bulk/00poprockelectronic/Edie Brickell/MBZ;#Edie Brickell and New Bohemians;#Born on the Fourth of July;#01;#A Hard Rain_s a Gonna Fall (1).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  299
                                           'genre'  rock-unsorted
                                        'filesize'  4790839
                                           'mtime'  1678905080
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#Edie and Bohemians;#Born July;#01;#A Rain_s (1) rock unsorted
                                      'tag_artist'  Edie Brickell & New Bohemians
                                     'tag_release'  Born on the Fourth of July
                                       'tag_title'  A Hard Rain's a Gonna Fall
                                             'bpm'  124.315
                                    'search_title'  'a':1 'fall':7 'gonna':6 'hard':2 'rain':3 'rains':5 's':4
                                   'search_artist'  'bohemians':4 'brickell':2 'edie':1 'new':3
                                  'search_release'  'born':1 'fourth':4 'july':6 'of':5 'on':2 'the':3
                                     'search_rest'  '00poprockelectronic':1 '01':12,15 '1':19,20 'a':13,16 'and':6 'bohemians':7,9 'born':8,10 'edie':3,5 'july':11,14 'mbz':2,4 'rain':17 'rock':21 's':18 'unsorted':22
                                    'search_combo'  '00poprockelectronic':18 '01':29,32 '1':36,37 'a':1A,30,33 'and':23 'bohemians':11B,24,26 'born':12C,25,27 'brickell':9B 'edie':8B,20,22 'fall':7A 'fourth':15C 'gonna':6A 'hard':2A 'july':17C,28,31 'mbz':19,21 'new':10B 'of':16C 'on':13C 'rain':3A,34 'rains':5A 'rock':38 's':4A,35 'the':14C 'unsorted':39
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']
                                      'lastfmtags'  ['female vocalists', 'folk rock', 'alternative', 'rock', '80s']
                                        'tag_date'  1962
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1678905079.9584534  (2023-03-15 19:31:19)
                             'size'  4790839