======================== unified (from filesystem) ========================
                                         'bitrate'  '206.571'
                                        'duration'  '344'
                                          'artist'  'Bob Dylan & Emmilou Harris'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Romance In Durango Desire'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['folk', 'singer-songwriter', 'classic rock', 'folk rock', '60s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '85.023'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '85.023'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TIT2' (Title/songname/content description)         'Romance In Durango Desire'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bob Dylan & Emmilou Harris'
'TXXX:Mp3gain_minmax'                               '141,191'
'TXXX:Mp3gain_undo'                                 '+001,+001,N'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['folk', 'singer-songwriter', 'classic rock', 'folk rock', '60s']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.90 dB'
'TXXX:replaygain_track_peak'                        '0.545785'

========================== row from database ==========================
                                              'id'  843403
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Bob Dylan/Bob Dylan & Emmilou Harris - Romance In Durango Desire.mp3
                                         'working'  None
                                         'bitrate'  206
                                    'duration_sec'  344
                                           'genre'  ifs-songwriter
                                        'filesize'  8886511
                                           'mtime'  1637328825
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos ifs songwriter
                                      'tag_artist'  Bob Dylan & Emmilou Harris
                                     'tag_release'  None
                                       'tag_title'  Romance In Durango Desire
                                             'bpm'  85.023
                                    'search_title'  'desire':4 'durango':3 'in':2 'romance':1
                                   'search_artist'  'bob':1 'dylan':2 'emmilou':3 'harris':4
                                  'search_release'  
                                     'search_rest'  '00singer':1 'eos':3 'ifs':4 'songwriter':2
                                    'search_combo'  '00singer':9 'bob':5B 'desire':4A 'durango':3A 'dylan':6B 'emmilou':7B 'eos':11 'harris':8B 'ifs':12 'in':2A 'romance':1A 'songwriter':10
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['folk', 'singer-songwriter', 'classic rock', 'folk rock', '60s']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1637328825.0431561  (2021-11-19 14:33:45)
                             'size'  8886511