======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '216'
                                          'artist'  'The Police'
                                     'text_people'  ''
                                         'release'  'Message in a Box: The Complete Recordings'
                                           'title'  'Friends'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
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 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
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                                      'lastfmtags'  "['80s', 'new wave', 'classic rock', 'pop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '21'
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk'
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                                             'key'  '11A'
                                        'acoustid'  'c09ba4f1-e90a-41c7-b92d-3b18ba2e39ed'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Message in a Box: The Complete Recordings'
'TBPM' (BPM (beats per minute))                     '89.374'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk'
'TDOR' (Original release time)                      '1993'
'TDRC' (Recording time)                             '1993'
'TIT2' (Title/songname/content description)         'Friends'
'TKEY' (Initial key)                                '11A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Police'
'TPE2' (Band/orchestra/accompaniment)               'The Police'
'TPOS' (Part of a set)                              '2/4'
'TPUB' (Publisher)                                  'A&M Records'
'TRCK' (Track number/Position in set)               '10/21'
'TSO2'                                              'Police, The'
'TSOP' (Performer sort order)                       'Police, The'
'TXXX:Acoustid Id'                                  'c09ba4f1-e90a-41c7-b92d-3b18ba2e39ed'
'TXXX:BARCODE'                                      '731454015028'
'TXXX:CATALOGNUMBER'                                '540 150-2'
'TXXX:MusicBrainz Album Artist Id'                  '9e0e2b01-41db-4008-bd8b-988977d6019a'
'TXXX:MusicBrainz Album Id'                         '49d6261c-7740-4e7e-b304-535d724950af'
'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '9e0e2b01-41db-4008-bd8b-988977d6019a'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'classic rock', 'pop', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
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'TXXX:replaygain_track_peak'                        '0.689085'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'4832fc2f-2f01-40b8-9e92-645602d2dc9e')

========================== row from database ==========================
                                              'id'  1310378
                                            'path'  /data/Music/Bulk/00poprockelectronic/Police/[19XX] Best of the Box - Disc 2/10 -  Friends.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  216
                                           'genre'  electronic-we-new wave or post punk
                                        'filesize'  5201435
                                           'mtime'  1620571765
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic [19XX] Best of the Disc 2 10 electronic we new wave post punk
                                      'tag_artist'  The Police
                                     'tag_release'  Message in a Box: The Complete Recordings
                                       'tag_title'  Friends
                                             'bpm'  89.374
                                    'search_title'  'friends':1
                                   'search_artist'  'police':2 'the':1
                                  'search_release'  'a':3 'box':4,5 'complete':7 'in':2 'message':1 'recordings':8 'the':6
                                     'search_rest'  '00poprockelectronic':1 '19xx':2,3 '2':8 'best':4 'disc':7 'electronic':9 'new':11 'of':5 'post':13 'punk':14 'the':6 'wave':12 'we':10
                                    'search_combo'  '00poprockelectronic':12 '19xx':13,14 '2':19 'a':6C 'best':15 'box':7C,8C 'complete':10C 'disc':18 'electronic':20 'friends':1A 'in':5C 'message':4C 'new':22 'of':16 'police':3B 'post':24 'punk':25 'recordings':11C 'the':2B,9C,17 'wave':23 'we':21
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'classic rock', 'pop', 'rock']
                                        'tag_date'  1993
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620571764.8322759  (2021-05-09 16:49:24)
                             'size'  5201435