======================== unified (from filesystem) ========================
                                         'bitrate'  '80.0'
                                        'duration'  '249'
                                          'artist'  'Marais and Miranda'
                                     'text_people'  ''
                                         'release'  'Christmas with Marais and Miranda'
                                           'title'  'The Christmas Tree + See There Comes the Steamboat'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['nature', 'science', 'folk', 'eductional', 'educational']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '12'
                                            'date'  '1955'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-folk;set-th-christmas'
                                             'bpm'  '114.6'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Decca DL 9030, monophonic'
'TALB' (Album/Movie/Show title)                     'Christmas with Marais and Miranda'
'TBPM' (BPM (beats per minute))                     '114.6'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-folk', 'set-th-christmas']
'TDRC' (Recording time)                             '1955'
'TENC' (Encoded by)                                 'SoundJam MP'
'TIT2' (Title/songname/content description)         'The Christmas Tree + See There Comes the Steamboat'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Marais and Miranda'
'TRCK' (Track number/Position in set)               '7/12'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'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'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.90 dB'
'TXXX:replaygain_track_peak'                        '0.768634'

========================== row from database ==========================
                                              'id'  1363368
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Marais and Miranda/Christmas with Marais and Miranda/07 christmas tree+steamboat.mp3
                                         'working'  None
                                         'bitrate'  80
                                    'duration_sec'  249
                                           'genre'  ifs-songwriter-folk;set-th-christmas
                                        'filesize'  2493400
                                           'mtime'  1636400574
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 07 christmas tree+steamboat ifs songwriter folk;set christmas
                                      'tag_artist'  Marais and Miranda
                                     'tag_release'  Christmas with Marais and Miranda
                                       'tag_title'  The Christmas Tree + See There Comes the Steamboat
                                             'bpm'  114.6
                                    'search_title'  'christmas':2 'comes':6 'see':4 'steamboat':7 'the':1 'there':5 'tree':3
                                   'search_artist'  'and':2 'marais':1 'miranda':3
                                  'search_release'  'and':4 'christmas':1 'marais':3 'miranda':5 'with':2
                                     'search_rest'  '00singer':1 'christmas':4 'eos':3 'folk':8,10 'ifs':7 'set':9,11 'songwriter':2 'steamboat':6 'tree':5
                                    'search_combo'  '00singer':16 'and':9B,14C 'christmas':2A,11C,19 'comes':6A 'eos':18 'folk':23,25 'ifs':22 'marais':8B,13C 'miranda':10B,15C 'see':4A 'set':24,26 'songwriter':17 'steamboat':7A,21 'the':1A 'there':5A 'tree':3A,20 'with':12C
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['nature', 'science', 'folk', 'eductional', 'educational']
                                        'tag_date'  1955
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636400574.470584  (2021-11-08 20:42:54)
                             'size'  2493400