======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '477'
                                          'artist'  'Trembling Strain'
                                     'text_people'  'Pneuma'
                                         'release'  'Tower'
                                           'title'  'Heaven in a Doze- Stargazer'
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'Q-PLAY-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-1', 'q-drums-1', 'q-other-4', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['avant folk', 'ritual folk', 'avant garde', 'funeral folk', 'sound collage']"
                                     'discogstags'  ("['folk, world, & country', 'abstract', 'electronic', 'experimental', "
 "'ambient']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '9'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-experimental'
                                             'bpm'  '132.3'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'holywarbles.blogspot.com'
'TALB' (Album/Movie/Show title)                     'Tower'
'TBPM' (BPM (beats per minute))                     '132.3'
'TCOM' (Composer)                                   'Pneuma'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-experimental'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Heaven in a Doze- Stargazer'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Trembling Strain'
'TRCK' (Track number/Position in set)               '4/9'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:TREMULANT'                                    'holywarbles.blogspot.com'
'TXXX:discogstags'                                  ['folk, world, & country', 'abstract', 'electronic', 'experimental', 'ambient']
'TXXX:lastfmtags'                                   ['avant folk', 'ritual folk', 'avant garde', 'funeral folk', 'sound collage']
'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-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.43 dB'
'TXXX:replaygain_track_peak'                        '1.002964'

========================== row from database ==========================
                                              'id'  1384491
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/trembling strain - tower [belle antique, 1998]/04. Heaven in a Doze- Stargazer.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  477
                                           'genre'  ifs-songwriter-experimental
                                        'filesize'  19122982
                                           'mtime'  1636400844
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos trembling strain tower [belle antique, 1998] 04. ifs songwriter experimental
                                      'tag_artist'  Trembling Strain
                                     'tag_release'  Tower
                                       'tag_title'  Heaven in a Doze- Stargazer
                                             'bpm'  132.3
                                    'search_title'  'a':3 'doze':4,5 'heaven':1 'in':2 'stargazer':6
                                   'search_artist'  'strain':2 'trembling':1
                                  'search_release'  'tower':1
                                     'search_rest'  '00singer':1 '04':13,14 '1998':11,12 'antique':9,10 'belle':7,8 'eos':3 'experimental':16 'ifs':15 'songwriter':2 'strain':5 'tower':6 'trembling':4
                                    'search_combo'  '00singer':10 '04':22,23 '1998':20,21 'a':3A 'antique':18,19 'belle':16,17 'doze':4A,5A 'eos':12 'experimental':25 'heaven':1A 'ifs':24 'in':2A 'songwriter':11 'stargazer':6A 'strain':8B,14 'tower':9C,15 'trembling':7B,13
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['avant folk', 'ritual folk', 'avant garde', 'funeral folk', 'sound collage']
                                        'tag_date'  1998
                                     'discogstags'  ['folk, world, & country', 'abstract', 'electronic', 'experimental', 'ambient']

============================== file details ==============================
                                           'mtime'  1636400843.5385885  (2021-11-08 20:47:23)
                             'size'  19122982