======================== unified (from filesystem) ========================
                                         'bitrate'  '222.687'
                                        'duration'  '235'
                                          'artist'  'Battles'
                                     'text_people'  ''
                                         'release'  'Gloss Drop'
                                           'title'  'My Machines'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-3', 'q-bass-3', "
 "'Q-CHART-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'Q-MIXBEAT-2']")
                                      'lastfmtags'  "['math rock', 'experimental', 'post-rock', 'instrumental', 'indie']"
                                     'discogstags'  "['math rock', 'electronic', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '12'
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'rock-post'
                                             'bpm'  '118.4'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'MCDI' (Music CD identifier)                        MCDI(data=b'\x00j\x01\x0c\x00\x10\x01\x00\x00\x00\x00\x00\x00\x10\x02\x00\x00\x00f\x06\x00\x10\x03\x00\x00\x00\xb7*\x00\x10\x04\x00\x00\x01%\xc2\x00\x10\x05\x00\x00\x01{Q\x00\x10\x06\x00\x00\x01\xda\x85\x00\x10\x07\x00\x00\x02\x1f{\x00\x10\x08\x00\x00\x02?V\x00\x10\t\x00\x00\x02\x82\xbe\x00\x10\n\x00\x00\x02\x97\x97\x00\x10\x0b\x00\x00\x02\xbc\x9a\x00\x10\x0c\x00\x00\x03*P\x00\x10\xaa\x00\x00\x03\xb3c\xffC')
'TALB' (Album/Movie/Show title)                     'Gloss Drop'
'TBPM' (BPM (beats per minute))                     '118.4'
'TCON' (Content type, a.k.a. Genre)                 'rock-post'
'TDOR' (Original release time)                      '2011'
'TDRC' (Recording time)                             '2011-06-06'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['mix', 'Seth Manchester'], ['mix', 'Keith Souza'], ['producer', 'Battles'], ['producer', 'Seth Manchester'], ['producer', 'Keith Souza']])
'TIT2' (Title/songname/content description)         'My Machines'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Battles feat. Gary Numan'
'TPE2' (Band/orchestra/accompaniment)               'Battles'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Warp'
'TRCK' (Track number/Position in set)               '6/12'
'TSO2'                                              'Battles'
'TSOP' (Performer sort order)                       'Battles feat. Numan, Gary'
'TSRC' (ISRC (international standard recording code))  'GBBPW1100050'
'TXXX:ASIN'                                         'B004S526PK'
'TXXX:Artists'                                      'Battles/Gary Numan'
'TXXX:BARCODE'                                      '801061021221'
'TXXX:CATALOGNUMBER'                                'WARPCD212'
'TXXX:MusicBrainz Album Artist Id'                  '8522b9b6-b295-48d7-9a10-8618fb80beb8'
'TXXX:MusicBrainz Album Id'                         'c0a2429b-26e5-352f-8561-d7ee9e606e6c'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '8522b9b6-b295-48d7-9a10-8618fb80beb8/6cb79cb2-9087-44d4-828b-5c6fdff2c957'
'TXXX:MusicBrainz Release Group Id'                 '6016a44b-2b1b-483f-bd3f-e67d2ac534c2'
'TXXX:MusicBrainz Release Track Id'                 '7d08ed52-b454-3679-8feb-7dffdfb15486'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '3'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['math rock', 'electronic', 'rock']
'TXXX:lastfmtags'                                   ['math rock', 'experimental', 'post-rock', 'instrumental', 'indie']
'TXXX:originalyear'                                 '2011'
'TXXX:q-bass'                                       '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.20 dB'
'TXXX:replaygain_track_peak'                        '0.387411'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'23806e69-1ce9-48d1-8659-67e57014d21a')

========================== row from database ==========================
                                              'id'  1485229
                                            'path'  /data/Music/Bulk/00poprockelectronic/battles - gloss drop (warp, 2011)/06 my machines (featuring gary numan).mp3
                                         'working'  None
                                         'bitrate'  222
                                    'duration_sec'  235
                                           'genre'  rock-post
                                        'filesize'  6637018
                                           'mtime'  1622801820
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic battles gloss drop (warp, 2011) 06 my machines (featuring gary numan) rock post
                                      'tag_artist'  Battles
                                     'tag_release'  Gloss Drop
                                       'tag_title'  My Machines
                                             'bpm'  118.4
                                    'search_title'  'machines':2 'my':1
                                   'search_artist'  'battles':1
                                  'search_release'  'drop':2 'gloss':1
                                     'search_rest'  '00poprockelectronic':1 '2011':7,8 'battles':2 'drop':4 'featuring':11,12 'gary':13 'gloss':3 'machines':10 'my':9 'numan':14,15 'post':17 'rock':16 'warp':5,6
                                    'search_combo'  '00poprockelectronic':6 '2011':12,13 'battles':3B,7 'drop':5C,9 'featuring':16,17 'gary':18 'gloss':4C,8 'machines':2A,15 'my':1A,14 'numan':19,20 'post':22 'rock':21 'warp':10,11
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-3', 'Q-GRIT-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-CHART-3', 'q-drums-4', 'Q-SYN-2', 'q-other-3', 'Q-BUSY-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-3']
                                      'lastfmtags'  ['math rock', 'experimental', 'post-rock', 'instrumental', 'indie']
                                        'tag_date'  2011
                                     'discogstags'  ['math rock', 'electronic', 'rock']

============================== file details ==============================
                                           'mtime'  1622801819.5998175  (2021-06-04 12:16:59)
                             'size'  6637018