======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '191'
                                          'artist'  '101 Strings Orchestra'
                                     'text_people'  ''
                                         'release'  'The Most Beautiful Romantic Melodies'
                                           'title'  'Midnight Kisses'
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                                      'lastfmtags'  "['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  '20'
                                            'date'  '1983'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-easy listening'
                                             'bpm'  '145.7'
                                             'key'  '8A'
                                        'acoustid'  '7b46bf32-5488-4e57-a84f-be071c6730b6'
rest: ''

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

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'TBPM' (BPM (beats per minute))                     '145.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-easy listening'
'TDOR' (Original release time)                      '1983'
'TDRC' (Recording time)                             '1983'
'TIT2' (Title/songname/content description)         'Midnight Kisses'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               '101 Strings Orchestra'
'TPE2' (Band/orchestra/accompaniment)               '101 Strings Orchestra'
'TPOS' (Part of a set)                              '3/3'
'TPUB' (Publisher)                                  'Ronco Records'
'TRCK' (Track number/Position in set)               '16/20'
'TSO2'                                              '101 Strings'
'TSOP' (Performer sort order)                       '101 Strings'
'TSST' (Set subtitle)                               'Night'
'TXXX:Acoustid Id'                                  '7b46bf32-5488-4e57-a84f-be071c6730b6'
'TXXX:Artists'                                      '101 Strings Orchestra'
'TXXX:CATALOGNUMBER'                                'RTL 2094 B'
'TXXX:MusicBrainz Album Artist Id'                  '5c176092-cb4d-4e05-806b-1e9414f2b28c'
'TXXX:MusicBrainz Album Id'                         'a7596a48-111e-4bdc-9889-b02a6935d3a6'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '5c176092-cb4d-4e05-806b-1e9414f2b28c'
'TXXX:MusicBrainz Release Group Id'                 'a41eca38-d0a8-445f-84f7-838fafced9c2'
'TXXX:MusicBrainz Release Track Id'                 'd2a2fac7-076e-3cfa-a3b0-c0beda26bb42'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']
'TXXX:originalyear'                                 '1983'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.71 dB'
'TXXX:replaygain_track_peak'                        '0.666107'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'582ccf3a-3c12-4418-aca8-8a792cbd7894')

========================== row from database ==========================
                                              'id'  1479090
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/1983 - The Most Beautiful Romantic Melodies/Record 3/16 - Midnight Kisses.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  191
                                           'genre'  electronic-generic or radio-easy listening
                                        'filesize'  7646479
                                           'mtime'  1621705509
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 1983 Record 3 16 electronic generic or radio easy listening
                                      'tag_artist'  101 Strings Orchestra
                                     'tag_release'  The Most Beautiful Romantic Melodies
                                       'tag_title'  Midnight Kisses
                                             'bpm'  145.7
                                    'search_title'  'kisses':2 'midnight':1
                                   'search_artist'  '101':1 'orchestra':3 'strings':2
                                  'search_release'  'beautiful':3 'melodies':5 'most':2 'romantic':4 'the':1
                                     'search_rest'  '1983':5 '3':7 'country':4 'easy':12 'electronic':8 'exotica':2 'generic':9 'jazz':1 'listening':13 'oldies':3 'or':10 'radio':11 'record':6
                                    'search_combo'  '101':3B '1983':15 '3':17 'beautiful':8C 'country':14 'easy':22 'electronic':18 'exotica':12 'generic':19 'jazz':11 'kisses':2A 'listening':23 'melodies':10C 'midnight':1A 'most':7C 'oldies':13 'or':20 'orchestra':5B 'radio':21 'record':16 'romantic':9C 'strings':4B 'the':6C
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-3', 'Q-MIXBEAT-1', 'Q-OLDST-3', 'Q-GRIT-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-1', 'Q-SYN-1', 'q-other-4', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-4']
                                      'lastfmtags'  ['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']
                                        'tag_date'  1983
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705508.650923  (2021-05-22 19:45:08)
                             'size'  7646479