======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '23'
                                          'artist'  'Linkin Park'
                                     'text_people'  ''
                                         'release'  'Reanimation'
                                           'title'  '[Chali]'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-4', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-4', 'q-play-2', "
 "'q-chart-4', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative rock', 'alternative', 'metal', 'nu metal', 'rock']"
                                     'discogstags'  "['hip hop', 'rock', 'breakbeat', 'hip hop', 'nu metal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '44'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'eid-metal-nu'
                                             'bpm'  '127'
                                             'key'  '11B'
                                        'acoustid'  'e3592a5b-b85b-4892-9eac-830179ff8386'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Reanimation'
'TBPM' (BPM (beats per minute))                     '127'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-nu'
'TDOR' (Original release time)                      '2002'
'TDRC' (Recording time)                             '2002-10-15'
'TIT2' (Title/songname/content description)         '[Chali]'
'TKEY' (Initial key)                                '11B'
'TMED' (Media type)                                 'DVD-Audio'
'TPE1' (Lead performer(s)/Soloist(s))               'Linkin Park'
'TPE2' (Band/orchestra/accompaniment)               'Linkin Park'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Warner Bros. Records'
'TRCK' (Track number/Position in set)               '4/44'
'TSO2'                                              'Linkin Park'
'TSOP' (Performer sort order)                       'Linkin Park'
'TSRC' (ISRC (international standard recording code))  'USWB10201916'
'TXXX:ASIN'                                         'B00006L7MV'
'TXXX:Acoustid Id'                                  'e3592a5b-b85b-4892-9eac-830179ff8386'
'TXXX:Artists'                                      'Linkin Park'
'TXXX:BARCODE'                                      '093624832690'
'TXXX:CATALOGNUMBER'                                '9 48326-9'
'TXXX:MusicBrainz Album Artist Id'                  'f59c5520-5f46-4d2c-b2c4-822eabf53419'
'TXXX:MusicBrainz Album Id'                         'f662175c-070f-4d93-b85b-0068aeaacdfc'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/remix'
'TXXX:MusicBrainz Artist Id'                        'f59c5520-5f46-4d2c-b2c4-822eabf53419'
'TXXX:MusicBrainz Release Group Id'                 'bd0fa028-36ce-3e0e-81f2-e7d2b3e058c1'
'TXXX:MusicBrainz Release Track Id'                 '80e561a7-7a61-33c3-a64f-3adf8b173108'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['hip hop', 'rock', 'breakbeat', 'hip hop', 'nu metal']
'TXXX:lastfmtags'                                   ['alternative rock', 'alternative', 'metal', 'nu metal', 'rock']
'TXXX:mood'                                         'Not sad/Not acoustic/Not aggressive/Relaxed/Not happy/Not electronic/Not party'
'TXXX:originalyear'                                 '2002'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.70 dB'
'TXXX:replaygain_track_peak'                        '0.610056'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'c7cfaa3a-cb82-40f4-8420-1278469e69d5')

========================== row from database ==========================
                                              'id'  1321945
                                            'path'  /data/Music/Bulk/00poprockelectronic/Linkin Park/Reanimation/Linkin Park - Chali - 04.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  23
                                           'genre'  eid-metal-nu
                                        'filesize'  574734
                                           'mtime'  1620311136
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 04 eid metal nu
                                      'tag_artist'  Linkin Park
                                     'tag_release'  Reanimation
                                       'tag_title'  [Chali]
                                             'bpm'  127.0
                                    'search_title'  'chali':1,2
                                   'search_artist'  'linkin':1 'park':2
                                  'search_release'  'reanimation':1
                                     'search_rest'  '00poprockelectronic':1 'eid':2 'metal':3 'nu':4
                                    'search_combo'  '00poprockelectronic':6 'chali':1A,2A 'eid':7 'linkin':3B 'metal':8 'nu':9 'park':4B 'reanimation':5C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-4', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-4', 'q-other-1', 'Q-HAP-1', 'q-bass-3', 'q-grit-4']
                                      'lastfmtags'  ['alternative rock', 'alternative', 'metal', 'nu metal', 'rock']
                                        'tag_date'  2002
                                     'discogstags'  ['hip hop', 'rock', 'breakbeat', 'hip hop', 'nu metal']

============================== file details ==============================
                                           'mtime'  1620311136.363136  (2021-05-06 16:25:36)
                             'size'  574734