======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '215'
                                          'artist'  'kd lang'
                                     'text_people'  ''
                                         'release'  'Ingénue'
                                           'title'  'Still Thrives This Love'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-1', 'q-syn-2', 'q-bass-4', "
 "'q-busy-3', 'q-grit-2', 'q-play-2', 'Q-JZFKS-1', 'q-chart-2', 'q-drums-1', "
 "'q-other-3', 'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['female vocalists', 'singer-songwriter', 'country', 'canadian', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '101.819'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Ingénue'
'TBPM' (BPM (beats per minute))                     '101.819'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '1992'
'TIT2' (Title/songname/content description)         'Still Thrives This Love'
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'kd lang'
'TRCK' (Track number/Position in set)               '6'
'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:lastfmtags'                                   ['female vocalists', 'singer-songwriter', 'country', 'canadian', 'pop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.26 dB'
'TXXX:replaygain_track_peak'                        '0.690170'

========================== row from database ==========================
                                              'id'  197410
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/kd lang/kd lang__cifs1382.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  215
                                           'genre'  ifs-songwriter
                                        'filesize'  4316683
                                           'mtime'  1637330802
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos lang__cifs1382 ifs songwriter
                                      'tag_artist'  kd lang
                                     'tag_release'  Ingénue
                                       'tag_title'  Still Thrives This Love
                                             'bpm'  101.819
                                    'search_title'  'love':4 'still':1 'this':3 'thrives':2
                                   'search_artist'  'kd':1 'lang':2
                                  'search_release'  'ingenue':1,2
                                     'search_rest'  '00singer':1 'cifs1382':5 'eos':3 'ifs':6 'lang':4 'songwriter':2
                                    'search_combo'  '00singer':9 'cifs1382':13 'eos':11 'ifs':14 'ingenue':7C,8C 'kd':5B 'lang':6B,12 'love':4A 'songwriter':10 'still':1A 'this':3A 'thrives':2A
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['female vocalists', 'singer-songwriter', 'country', 'canadian', 'pop']
                                        'tag_date'  1992
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637330801.7769003  (2021-11-19 15:06:41)
                             'size'  4316683