======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '158'
                                          'artist'  '101 Strings Orchestra'
                                     'text_people'  ''
                                         'release'  'Golden Hour of Tangos'
                                           'title'  'Tango of the Roses'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'Q-SYN-1', 'Q-BUSY-3', 'Q-GRIT-1', 'Q-CHART-2', 'Q-MIXBEAT-1', "
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                                      'lastfmtags'  "['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  '22'
                                            'date'  '1972'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-easy listening'
                                             'bpm'  '122.4'
                                             'key'  '9B'
                                        'acoustid'  'a0f2d5d3-b3e8-4550-a11a-e1d4189665c8'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Golden Hour of Tangos'
'TBPM' (BPM (beats per minute))                     '122.4'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-easy listening'
'TDOR' (Original release time)                      '1972'
'TDRC' (Recording time)                             '1972'
'TIT2' (Title/songname/content description)         'Tango of the Roses'
'TKEY' (Initial key)                                '9B'
'TMED' (Media type)                                 '12" Vinyl'
'TPE1' (Lead performer(s)/Soloist(s))               '101 Strings Orchestra'
'TPE2' (Band/orchestra/accompaniment)               '101 Strings Orchestra'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Pye Records'
'TRCK' (Track number/Position in set)               '18/22'
'TSO2'                                              '101 Strings'
'TSOP' (Performer sort order)                       '101 Strings'
'TXXX:Acoustid Id'                                  'a0f2d5d3-b3e8-4550-a11a-e1d4189665c8'
'TXXX:Artists'                                      '101 Strings Orchestra'
'TXXX:CATALOGNUMBER'                                'GH 834'
'TXXX:MusicBrainz Album Artist Id'                  '5c176092-cb4d-4e05-806b-1e9414f2b28c'
'TXXX:MusicBrainz Album Id'                         '7cb495c3-f913-4c5b-861f-02c5cca3ab0d'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '5c176092-cb4d-4e05-806b-1e9414f2b28c'
'TXXX:MusicBrainz Release Group Id'                 '97bfc19f-cdb5-444f-aac2-3cd9ae6f91ea'
'TXXX:MusicBrainz Release Track Id'                 '57043a15-4c69-30dd-86c4-0fb0524d5a52'
'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'                                      '2'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']
'TXXX:originalyear'                                 '1972'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.38 dB'
'TXXX:replaygain_track_peak'                        '0.532999'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'72b52cbe-a22d-400b-9f94-21e9d3f54cdd')

========================== row from database ==========================
                                              'id'  1479131
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/The 101 Strings Orchestra/1974 - Golden Hour Of Tangos/18 - Tango Of The Roses.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  158
                                           'genre'  electronic-generic or radio-easy listening
                                        'filesize'  6623981
                                           'mtime'  1621705539
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country The 1974 Of 18 Of The electronic generic or radio easy listening
                                      'tag_artist'  101 Strings Orchestra
                                     'tag_release'  Golden Hour of Tangos
                                       'tag_title'  Tango of the Roses
                                             'bpm'  122.4
                                    'search_title'  'of':2 'roses':4 'tango':1 'the':3
                                   'search_artist'  '101':1 'orchestra':3 'strings':2
                                  'search_release'  'golden':1 'hour':2 'of':3 'tangos':4
                                     'search_rest'  '18':8 '1974':6 'country':4 'easy':13 'electronic':9 'exotica':2 'generic':10 'jazz':1 'listening':14 'of':7 'oldies':3 'or':11 'radio':12 'the':5
                                    'search_combo'  '101':5B '18':19 '1974':17 'country':15 'easy':24 'electronic':20 'exotica':13 'generic':21 'golden':8C 'hour':9C 'jazz':12 'listening':25 'of':2A,10C,18 'oldies':14 'or':22 'orchestra':7B 'radio':23 'roses':4A 'strings':6B 'tango':1A 'tangos':11C 'the':3A,16
                                    'tag_tracknum'  18
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-1', 'q-play-2', 'Q-OLDST-2', 'Q-GRIT-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-2', 'q-drums-2', 'Q-SYN-1', 'q-other-4', 'Q-BUSY-3', 'Q-HAP-3', 'q-bass-3']
                                      'lastfmtags'  ['instrumental', 'edhits', 'myhits', 'classical', 'easy listening']
                                        'tag_date'  1972
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621705538.737984  (2021-05-22 19:45:38)
                             'size'  6623981