======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '216'
                                          'artist'  'Myros'
                                     'text_people'  ''
                                         'release'  "Zarathustra's Revenge"
                                           'title'  'Suoni'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-2', "
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 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['rock', 'prog rock', 'symphonic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '12'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive;set-pl-progspace'
                                             'bpm'  '130'
                                             'key'  '5A'
                                        'acoustid'  '0c17939a-355c-4416-9235-8cedd27b2e0d'
rest: ''

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

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'COMM:ID3v1 Comment:XXX'                            '256 Kbits'
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'TBPM' (BPM (beats per minute))                     '130'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-progressive', 'set-pl-progspace']
'TDOR' (Original release time)                      '1997'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Suoni'
'TKEY' (Initial key)                                '5A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Myros'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '3/4'
'TPUB' (Publisher)                                  'Mellow Records'
'TRCK' (Track number/Position in set)               '6/12'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Myros'
'TXXX:Acoustid Id'                                  '0c17939a-355c-4416-9235-8cedd27b2e0d'
'TXXX:Artists'                                      'Myros'
'TXXX:CATALOGNUMBER'                                'MMP 328 A/B/C/D'
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'TXXX:MusicBrainz Album Id'                         '06594af9-7b03-4523-9e1b-276d351f7a28'
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'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
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'TXXX:MusicBrainz Release Track Id'                 '5a58e38a-7813-3fb0-995d-c2de00be9a10'
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'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'prog rock', 'symphonic rock']
'TXXX:originalyear'                                 '1997'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.75 dB'
'TXXX:replaygain_track_peak'                        '0.522387'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'd4938469-b7b5-457d-a066-46b1e2878d26')

========================== row from database ==========================
                                              'id'  1416499
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Algebra - Italian Prog Tribute/cd 3/306 - myros - suoni (i nomadi).mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  216
                                           'genre'  rock-cppex-progressive;set-pl-progspace
                                        'filesize'  6939089
                                           'mtime'  1620736023
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy Algebra Italian Prog Tribute cd 3 306 myros suoni (i nomadi) rock cppex progressive;set pl progspace
                                      'tag_artist'  Myros
                                     'tag_release'  Zarathustra's Revenge
                                       'tag_title'  Suoni
                                             'bpm'  130.0
                                    'search_title'  'suoni':1
                                   'search_artist'  'myros':1
                                  'search_release'  'revenge':4 's':2 'zarathustra':1 'zarathustras':3
                                     'search_rest'  '3':7 '306':8 'algebra':2 'cd':6 'classicprogpsy':1 'cppex':16 'i':11,12 'italian':3 'myros':9 'nomadi':13,14 'pl':21 'prog':4 'progressive':17,19 'progspace':22 'rock':15 'set':18,20 'suoni':10 'tribute':5
                                    'search_combo'  '3':13 '306':14 'algebra':8 'cd':12 'classicprogpsy':7 'cppex':22 'i':17,18 'italian':9 'myros':2B,15 'nomadi':19,20 'pl':27 'prog':10 'progressive':23,25 'progspace':28 'revenge':6C 'rock':21 's':4C 'set':24,26 'suoni':1A,16 'tribute':11 'zarathustra':3C 'zarathustras':5C
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1997
                                     'discogstags'  ['rock', 'prog rock', 'symphonic rock']

============================== file details ==============================
                                           'mtime'  1620736023.1354444  (2021-05-11 14:27:03)
                             'size'  6939089