======================== unified (from filesystem) ========================
                                         'bitrate'  '175.174'
                                        'duration'  '345'
                                          'artist'  'Portishead'
                                     'text_people'  ''
                                         'release'  'Roseland NYC Live'
                                           'title'  'Mysterons'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronic/alternative/female vocalists/trip hop']"
                                     'discogstags'  "['electronic/acid jazz/downtempo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '11'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '107.4'
                                             'key'  '3A'
                                        'acoustid'  '0d68b0bd-b131-4959-bc1f-a25fd63f2883'
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             'A110E40C'
'TALB' (Album/Movie/Show title)                     'Roseland NYC Live'
'TBPM' (BPM (beats per minute))                     '107.4'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Mysterons'
'TKEY' (Initial key)                                '3A'
'TMED' (Media type)                                 'Cassette'
'TPE1' (Lead performer(s)/Soloist(s))               'Portishead'
'TPE2' (Band/orchestra/accompaniment)               'Portishead'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Go! Beat/PolyGram Polska'
'TRCK' (Track number/Position in set)               '4/11'
'TSO2'                                              'Portishead'
'TSOP' (Performer sort order)                       'Portishead'
'TSRC' (ISRC (international standard recording code))  'GBARA9800065'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.89, VBR 2, Stereo, High quality'
'TXXX:Acoustid Id'                                  '0d68b0bd-b131-4959-bc1f-a25fd63f2883'
'TXXX:Artists'                                      'Portishead'
'TXXX:BARCODE'                                      '731455942446'
'TXXX:CATALOGNUMBER'                                '559 424-4'
'TXXX:MusicBrainz Album Artist Id'                  '8f6bd1e4-fbe1-4f50-aa9b-94c450ec0f11'
'TXXX:MusicBrainz Album Id'                         'ad7487fd-fcfe-437c-8d80-2ebb05511317'
'TXXX:MusicBrainz Album Release Country'            'PL'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/live'
'TXXX:MusicBrainz Artist Id'                        '8f6bd1e4-fbe1-4f50-aa9b-94c450ec0f11'
'TXXX:MusicBrainz Release Group Id'                 'ce61f4a8-db95-3608-93de-53f9ecb1b8d2'
'TXXX:MusicBrainz Release Track Id'                 'efb6ef40-de4d-4674-9862-6e806b876369'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic/acid jazz/downtempo'
'TXXX:lastfmtags'                                   'electronic/alternative/female vocalists/trip hop'
'TXXX:originalyear'                                 '1998'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.57 dB'
'TXXX:replaygain_track_peak'                        '0.395721'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'322a32ae-3487-4a4b-a9d9-f7a6e30c10f3')

========================== row from database ==========================
                                              'id'  1326407
                                            'path'  /data/Music/Bulk/00poprockelectronic/Portishead/Roseland NYC Live/Portishead - Mysterons - 04.mp3
                                         'working'  None
                                         'bitrate'  175
                                    'duration_sec'  345
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  7568139
                                           'mtime'  1636911395
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 04 electronic trip hop downtempo acid jazz
                                      'tag_artist'  Portishead
                                     'tag_release'  Roseland NYC Live
                                       'tag_title'  Mysterons
                                             'bpm'  107.4
                                    'search_title'  'mysterons':1
                                   'search_artist'  'portishead':1
                                  'search_release'  'live':3 'nyc':2 'roseland':1
                                     'search_rest'  '00poprockelectronic':1 'acid':6 'downtempo':5 'electronic':2 'hop':4 'jazz':7 'trip':3
                                    'search_combo'  '00poprockelectronic':6 'acid':11 'downtempo':10 'electronic':7 'hop':9 'jazz':12 'live':5C 'mysterons':1A 'nyc':4C 'portishead':2B 'roseland':3C 'trip':8
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-JZFKS-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronic/alternative/female vocalists/trip hop']
                                        'tag_date'  1998
                                     'discogstags'  ['electronic/acid jazz/downtempo']

============================== file details ==============================
                                           'mtime'  1636911394.5821414  (2021-11-14 18:36:34)
                             'size'  7568139