======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '140'
                                          'artist'  'The Butterflies'
                                     'text_people'  ''
                                         'release'  'With Compliments'
                                           'title'  'Melani'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-1', 'q-syn-2', 'q-bass-3', 'q-busy-2', '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'  "['home collection']"
                                     'discogstags'  "['trance', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '12'
                                            'date'  '1955'
                                        'comments'  ''
                                           'genre'  'soundtrack-library'
                                             'bpm'  '95.7'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'With Compliments'
'TBPM' (BPM (beats per minute))                     '95.7'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-library'
'TDRC' (Recording time)                             '1955'
'TIT2' (Title/songname/content description)         'Melani'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'The Butterflies'
'TPE2' (Band/orchestra/accompaniment)               'The Butterflies'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Golden Ring Records'
'TRCK' (Track number/Position in set)               '11/12'
'TSO2'                                              'Butterflies, The'
'TSOP' (Performer sort order)                       'Butterflies, The'
'TXXX:Artists'                                      'The Butterflies'
'TXXX:CATALOGNUMBER'                                'A 30 007 RM'
'TXXX:MusicBrainz Album Artist Id'                  'a09caddd-d93a-4430-8bbe-06822e7844d8'
'TXXX:MusicBrainz Album Id'                         '1fe7cd50-d538-4fba-b015-bbd31ccc9874'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'a09caddd-d93a-4430-8bbe-06822e7844d8'
'TXXX:MusicBrainz Release Group Id'                 '651f47cf-a940-4655-8f5c-a7a0b61166ff'
'TXXX:MusicBrainz Release Track Id'                 '67418b09-a7ee-412a-a602-2c4a88c3ce9e'
'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:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['trance', 'electronic']
'TXXX:lastfmtags'                                   'home collection'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'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'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.13 dB'
'TXXX:replaygain_track_peak'                        '0.590894'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'8cf7504d-5de2-41c7-af7f-ecfc64383abb')

========================== row from database ==========================
                                              'id'  1376339
                                            'path'  /data/Music/Bulk/0soundtrack/A2 - [Golden Ring] A 30 007 RM - The Butterflies - With Compliments/B5 - Melanie.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  140
                                           'genre'  soundtrack-library
                                        'filesize'  5663249
                                           'mtime'  1636923251
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack A2 [Golden Ring] A 30 007 RM B5 Melanie soundtrack library
                                      'tag_artist'  The Butterflies
                                     'tag_release'  With Compliments
                                       'tag_title'  Melani
                                             'bpm'  95.7
                                    'search_title'  'melani':1
                                   'search_artist'  'butterflies':2 'the':1
                                  'search_release'  'compliments':2 'with':1
                                     'search_rest'  '0soundtrack':1 '30':8 'a':7 'a2':2 'b5':10 'golden':3,4 'library':13 'melanie':11 'ring':5,6 'rm':9 'soundtrack':12
                                    'search_combo'  '0soundtrack':6 '30':13 'a':12 'a2':7 'b5':15 'butterflies':3B 'compliments':5C 'golden':8,9 'library':18 'melani':1A 'melanie':16 'ring':10,11 'rm':14 'soundtrack':17 'the':2B 'with':4C
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             '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-2', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['home collection']
                                        'tag_date'  1955
                                     'discogstags'  ['trance', 'electronic']

============================== file details ==============================
                                           'mtime'  1636923251.3111486  (2021-11-14 21:54:11)
                             'size'  5663249