======================== unified (from filesystem) ========================
                                         'bitrate'  '299.366'
                                        'duration'  '338'
                                          'artist'  'Tortoise'
                                     'text_people'  'Tortoise'
                                         'release'  "It's All Around You"
                                           'title'  'Unknown'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'post rock', 'instrumental rock', 'experimental', 'ambient']"
                                     'discogstags'  "['electronic', 'rock', 'post rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '10'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'rock-post;set-pl-sced'
                                             'bpm'  '118'
                                             'key'  '6B'
                                        'acoustid'  'a43a9ab3-9e33-415a-8d02-7b499b35044b'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 0000021E 000001F0 00001A47 000015EC 0003F4A7 000413AC 0000847B 000084BD '
 '0002BFC6 0002A572')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 0000075C 0000000000E3BD94 00000000 00C12D05 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '10+9F9DE4BEA1B23E55CC9CC6219F44534B+4000346'
'TALB' (Album/Movie/Show title)                     "It's All Around You"
'TBPM' (BPM (beats per minute))                     '118'
'TCOM' (Composer)                                   'Tortoise'
'TCON' (Content type, a.k.a. Genre)                 ['rock-post', 'set-pl-sced']
'TDOR' (Original release time)                      '2004'
'TDRC' (Recording time)                             '2004'
'TENC' (Encoded by)                                 'iTunes v7.0.1.8'
'TIT2' (Title/songname/content description)         'Unknown'
'TKEY' (Initial key)                                '6B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Tortoise'
'TPE2' (Band/orchestra/accompaniment)               'Tortoise'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Thrill Jockey'
'TRCK' (Track number/Position in set)               '5/10'
'TSO2'                                              'Tortoise'
'TSOP' (Performer sort order)                       'Tortoise'
'TSRC' (ISRC (international standard recording code))  'USTJ20311505'
'TXXX:Acoustid Id'                                  'a43a9ab3-9e33-415a-8d02-7b499b35044b'
'TXXX:Artists'                                      'Tortoise'
'TXXX:BARCODE'                                      '790377011524'
'TXXX:CATALOGNUMBER'                                'Thrill 115'
'TXXX:MusicBrainz Album Artist Id'                  'e0953daa-860f-4dc8-9f1a-b12587cdaf17'
'TXXX:MusicBrainz Album Id'                         'efd194f5-7eda-496f-bd89-ba8d4b89f87b'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'e0953daa-860f-4dc8-9f1a-b12587cdaf17'
'TXXX:MusicBrainz Release Group Id'                 'a645670a-70e6-3ba3-acc9-7d46878668f1'
'TXXX:MusicBrainz Release Track Id'                 '7a92194d-2df7-438c-b749-4e0603ef8809'
'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', 'rock', 'post rock']
'TXXX:lastfmtags'                                   ['instrumental', 'post rock', 'instrumental rock', 'experimental', 'ambient']
'TXXX:originalyear'                                 '2004'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-4.28 dB'
'TXXX:replaygain_track_peak'                        '0.867735'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'00abe377-7126-45cb-a187-5b8f2ce882a0')

========================== row from database ==========================
                                              'id'  1525656
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Tortoise/[2004] It_s All Around You/05 Unknown.mp3
                                         'working'  None
                                         'bitrate'  299
                                    'duration_sec'  338
                                           'genre'  rock-post;set-pl-sced
                                        'filesize'  12777809
                                           'mtime'  1621489568
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm [2004] It_s 05 rock post;set pl sced
                                      'tag_artist'  Tortoise
                                     'tag_release'  It's All Around You
                                       'tag_title'  Unknown
                                             'bpm'  118.0
                                    'search_title'  'unknown':1
                                   'search_artist'  'tortoise':1
                                  'search_release'  'all':4 'around':5 'it':1 'its':3 's':2 'you':6
                                     'search_rest'  '2004':1,2 'it':3 'pl':10 'post':6,8 'rock':5 's':4 'sced':11 'set':7,9
                                    'search_combo'  '2004':9,10 'all':6C 'around':7C 'it':3C,11 'its':5C 'pl':18 'post':14,16 'rock':13 's':4C,12 'sced':19 'set':15,17 'tortoise':2B 'unknown':1A 'you':8C
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'post rock', 'instrumental rock', 'experimental', 'ambient']
                                        'tag_date'  2004
                                     'discogstags'  ['electronic', 'rock', 'post rock']

============================== file details ==============================
                                           'mtime'  1621489567.8410625  (2021-05-20 07:46:07)
                             'size'  12777809