<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '288.437'
                                        'duration'  '92'
                                          'artist'  'George Fenton'
                                     'text_people'  ''
                                         'release'  'Small Is Beautiful'
                                           'title'  'Digital Display'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'q-syn-2', 'q-bass-3', 'q-busy-2', 'q-grit-2', "
 "'q-play-3', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-PIANO-3', 'q-chart-2', 'q-drums-2', "
 "'q-other-3', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-1', 'Q-LOCALNESS-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '33'
                                            'date'  '1978'
                                        'comments'  ''
                                           'genre'  'soundtrack-video'
                                             'bpm'  '108.4'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f95382dafa0>

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''<br/>                                     <img style="width:150px" src="image?fid=1376903"/>
'COMM:iTunNORM:eng'                                 (' 00000180 0000013F 00001B21 00001476 0000F5EB 0000F5EB 000083E2 0000839F '
 '0000F3C6 0000F3C6')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000009F0 00000000003E4000 00000000 003860A8 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'Small Is Beautiful'
'TBPM' (BPM (beats per minute))                     '108.4'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-video'
'TDOR' (Original release time)                      '1978'
'TDRC' (Recording time)                             '1978'
'TENC' (Encoded by)                                 'iTunes 10.4'
'TIT2' (Title/songname/content description)         'Digital Display'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               'George Fenton'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'KPM Music'
'TRCK' (Track number/Position in set)               '3/33'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Fenton, George'
'TXXX:ARTISTS'                                      'George Fenton'
'TXXX:CATALOGNUMBER'                                'KPM 1223'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         '6b870241-efa0-49d2-a441-4ad2d3999972'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'other'
'TXXX:MusicBrainz Artist Id'                        '5992eb3a-044c-4739-a385-8bc0e8f7055d'
'TXXX:MusicBrainz Release Group Id'                 '8fd85d38-29a5-42e9-9dcf-71fba94e4edc'
'TXXX:MusicBrainz Release Track Id'                 '53e72dee-74c1-3c5f-b383-aa65f62a8855'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:originalyear'                                 '1978'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+3.25 dB'
'TXXX:replaygain_track_peak'                        '0.865631'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'1237a92b-e3e2-4d45-918c-0f48933ce815')

========================== row from database ==========================
                                              'id'  1376903
                                            'path'  /data/Music/Bulk/0soundtrack/George Fenton - Sam Sklair - [KPM Music] - KPM 1223 - Small Is Beautiful [George Fenton _ Sam Sklair] (1978)/A03 Digital Display [b].mp3
                                         'working'  None
                                         'bitrate'  288
                                    'duration_sec'  92
                                           'genre'  soundtrack-video
                                        'filesize'  3546240
                                           'mtime'  1638555659
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Sam Sklair [KPM Music] KPM 1223 [George _ Sam Sklair] (1978) A03 [b] soundtrack video
                                      'tag_artist'  George Fenton
                                     'tag_release'  Small Is Beautiful
                                       'tag_title'  Digital Display
                                             'bpm'  108.4
                                    'search_title'  'digital':1 'display':2
                                   'search_artist'  'fenton':2 'george':1
                                  'search_release'  'beautiful':3 'is':2 'small':1
                                     'search_rest'  '0soundtrack':1 '1223':8 '1978':12,13 'a03':14 'b':15,16 'george':9,10 'kpm':4,5 'music':6,7 'sam':2 'sklair':3,11 'soundtrack':17 'video':18
                                    'search_combo'  '0soundtrack':8 '1223':15 '1978':19,20 'a03':21 'b':22,23 'beautiful':7C 'digital':1A 'display':2A 'fenton':4B 'george':3B,16,17 'is':6C 'kpm':11,12 'music':13,14 'sam':9 'sklair':10,18 'small':5C 'soundtrack':24 'video':25
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'q-busy-2', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-JZFKS-1', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1978
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1638555659.24115  (2021-12-03 19:20:59)
                             'size'  3546240