======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '265'
                                          'artist'  "Andrew Bird's Bowl of Fire"
                                     'text_people'  ''
                                         'release'  'Thrills'
                                           'title'  "A Woman's Life and Love"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
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 "'q-chart-3', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
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                                      'lastfmtags'  "['indie', 'jazz', 'singer songwriter', 'folk', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-unsorted'
                                             'bpm'  '103.325'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Thrills'
'TBPM' (BPM (beats per minute))                     '103.325'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-unsorted'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         "A Woman's Life and Love"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               "Andrew Bird's Bowl of Fire"
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie', 'jazz', 'singer songwriter', 'folk', 'swing']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.04 dB'
'TXXX:replaygain_track_peak'                        '0.669928'

========================== row from database ==========================
                                              'id'  1531352
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Andrew Bird_s Bowl of Fire - Andrew Bird/Andrew Bird's Bowl of Fire/Thrills/Andrew Bird_s Bowl of Fire - Thrills - 07 - A Woman_s Life and Love.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  265
                                           'genre'  prerock-jb-jazz-unsorted
                                        'filesize'  6386817
                                           'mtime'  1620528147
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Bird_s Bird_s 07 Woman_s prerock jb jazz unsorted
                                      'tag_artist'  Andrew Bird's Bowl of Fire
                                     'tag_release'  Thrills
                                       'tag_title'  A Woman's Life and Love
                                             'bpm'  103.325
                                    'search_title'  'a':1 'and':6 'life':5 'love':7 's':3 'woman':2 'womans':4
                                   'search_artist'  'andrew':1 'bird':2 'birds':4 'bowl':5 'fire':7 'of':6 's':3
                                  'search_release'  'thrills':1
                                     'search_rest'  'bird':5 'country':4 'exotica':2 'jazz':1 'jb':10 'oldies':3 'prerock':9 's':6,8 'unsorted':11 'woman':7
                                    'search_combo'  'a':1A 'and':6A 'andrew':8B 'bird':9B,20 'birds':11B 'bowl':12B 'country':19 'exotica':17 'fire':14B 'jazz':16 'jb':25 'life':5A 'love':7A 'of':13B 'oldies':18 'prerock':24 's':3A,10B,21,23 'thrills':15C 'unsorted':26 'woman':2A,22 'womans':4A
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['indie', 'jazz', 'singer songwriter', 'folk', 'swing']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528147.4916296  (2021-05-09 04:42:27)
                             'size'  6386817