======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '691'
                                          'artist'  'Frank Zappa'
                                     'text_people'  ''
                                         'release'  "Joe's Garage: Acts II & III"
                                           'title'  'Packard Goose'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['classic rock', 'jazz', 'progressive rock', 'experimental', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '4'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'rock-cppex-experimental or noise'
                                             'bpm'  '100.455'
                                             'key'  '1A'
                                        'acoustid'  'fec6f1a0-71da-41d9-8fed-589a59ba080f'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     "Joe's Garage: Acts II & III"
'TBPM' (BPM (beats per minute))                     '100.455'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-experimental or noise'
'TDOR' (Original release time)                      '1979'
'TDRC' (Recording time)                             '2008-09-24'
'TIT2' (Title/songname/content description)         'Packard Goose'
'TKEY' (Initial key)                                '1A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Frank Zappa'
'TPE2' (Band/orchestra/accompaniment)               'Frank Zappa'
'TPOS' (Part of a set)                              '2/2'
'TPUB' (Publisher)                                  'Rykodisc'
'TRCK' (Track number/Position in set)               '2/4'
'TSO2'                                              'Zappa, Frank'
'TSOP' (Performer sort order)                       'Zappa, Frank'
'TSST' (Set subtitle)                               'Act III'
'TXXX:Acoustid Id'                                  'fec6f1a0-71da-41d9-8fed-589a59ba080f'
'TXXX:Artists'                                      'Frank Zappa'
'TXXX:CATALOGNUMBER'                                'VACK-1344'
'TXXX:MusicBrainz Album Artist Id'                  'e20747e7-55a4-452e-8766-7b985585082d'
'TXXX:MusicBrainz Album Id'                         '28aaf966-37e3-4643-a54e-5bf3ad129aba'
'TXXX:MusicBrainz Album Release Country'            'JP'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'e20747e7-55a4-452e-8766-7b985585082d'
'TXXX:MusicBrainz Release Group Id'                 '45ef148d-d8da-3312-8f5e-1386347c85a9'
'TXXX:MusicBrainz Release Track Id'                 '72d7e422-4fe5-36c0-986a-c55dc3e40697'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['classic rock', 'jazz', 'progressive rock', 'experimental', 'rock']
'TXXX:originalyear'                                 '1979'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+3.64 dB'
'TXXX:replaygain_track_peak'                        '0.503659'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'3fa5a628-1694-4218-a13d-d55ff8ecb030')

========================== row from database ==========================
                                              'id'  1531112
                                            'path'  /data/Music/Bulk/00poprockelectronic/Frank Zappa/Joe_s Garage/Zappa, frank - Joe_s Garage (cd2) - 05 - Packard Goose.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  691
                                           'genre'  rock-cppex-experimental or noise
                                        'filesize'  11143173
                                           'mtime'  1636757600
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Joe_s Zappa, frank Joe_s (cd2) 05 rock cppex experimental or noise
                                      'tag_artist'  Frank Zappa
                                     'tag_release'  Joe's Garage: Acts II & III
                                       'tag_title'  Packard Goose
                                             'bpm'  100.455
                                    'search_title'  'goose':2 'packard':1
                                   'search_artist'  'frank':1 'zappa':2
                                  'search_release'  'acts':6 'garage':4,5 'ii':7 'iii':8 'joe':1 'joes':3 's':2
                                     'search_rest'  '00poprockelectronic':1 'cd2':7,8 'cppex':10 'experimental':11 'frank':6 'joe':2 'noise':13 'or':12 'rock':9 's':3 'zappa':4,5
                                    'search_combo'  '00poprockelectronic':13 'acts':10C 'cd2':19,20 'cppex':22 'experimental':23 'frank':3B,18 'garage':8C,9C 'goose':2A 'ii':11C 'iii':12C 'joe':5C,14 'joes':7C 'noise':25 'or':24 'packard':1A 'rock':21 's':6C,15 'zappa':4B,16,17
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-3']
                                      'lastfmtags'  ['classic rock', 'jazz', 'progressive rock', 'experimental', 'rock']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636757599.5002706  (2021-11-12 23:53:19)
                             'size'  11143173