======================== unified (from filesystem) ========================
                                         'bitrate'  '80.0'
                                        'duration'  '318'
                                          'artist'  'Marais and Miranda'
                                     'text_people'  ''
                                         'release'  'Ballads of Long Ago'
                                           'title'  'The Sheep Under the Snow (Celtic)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-2', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['nature', 'science', 'folk', 'eductional', 'educational']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '12'
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-folk'
                                             'bpm'  '141.7'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         "Columbia ML 4894, mono, from the early to mid 1950's"
'TALB' (Album/Movie/Show title)                     'Ballads of Long Ago'
'TBPM' (BPM (beats per minute))                     '141.7'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-folk'
'TDRC' (Recording time)                             '1960'
'TENC' (Encoded by)                                 'SoundJam MP'
'TIT2' (Title/songname/content description)         'The Sheep Under the Snow (Celtic)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Marais and Miranda'
'TRCK' (Track number/Position in set)               '10/12'
'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'                                   ['nature', 'science', 'folk', 'eductional', 'educational']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.58 dB'
'TXXX:replaygain_track_peak'                        '0.617454'

========================== row from database ==========================
                                              'id'  1364490
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Marais and Miranda/ballads of long ago/10 the sheep under the snow.mp3
                                         'working'  None
                                         'bitrate'  80
                                    'duration_sec'  318
                                           'genre'  ifs-songwriter-folk
                                        'filesize'  3183263
                                           'mtime'  1636400737
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos ballads long ago 10 sheep under snow ifs songwriter folk
                                      'tag_artist'  Marais and Miranda
                                     'tag_release'  Ballads of Long Ago
                                       'tag_title'  The Sheep Under the Snow (Celtic)
                                             'bpm'  141.7
                                    'search_title'  'celtic':5,6 'sheep':2 'snow':4 'the':1 'under':3
                                   'search_artist'  'and':2 'marais':1 'miranda':3
                                  'search_release'  'ago':4 'ballads':1 'long':3 'of':2
                                     'search_rest'  '00singer':1 'ago':6 'ballads':4 'eos':3 'folk':11 'ifs':10 'long':5 'sheep':7 'snow':9 'songwriter':2 'under':8
                                    'search_combo'  '00singer':14 'ago':13C,19 'and':8B 'ballads':10C,17 'celtic':5A,6A 'eos':16 'folk':24 'ifs':23 'long':12C,18 'marais':7B 'miranda':9B 'of':11C 'sheep':2A,20 'snow':4A,22 'songwriter':15 'the':1A 'under':3A,21
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['nature', 'science', 'folk', 'eductional', 'educational']
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636400737.222961  (2021-11-08 20:45:37)
                             'size'  3183263