======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '136'
                                          'artist'  'Batmobile'
                                     'text_people'  ''
                                         'release'  'Hard Hammer Hits'
                                           'title'  'The Rocket'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock and roll', 'psychobilly', 'punk', 'rockabilly', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '13'
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'rock-rockabilly or psychobilly'
                                             'bpm'  '90.2'
                                             'key'  '9A'
                                        'acoustid'  '332461e1-4132-4ea8-ae29-e7d7ae234f85'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Hard Hammer Hits'
'TBPM' (BPM (beats per minute))                     '90.2'
'TCON' (Content type, a.k.a. Genre)                 'rock-rockabilly or psychobilly'
'TDOR' (Original release time)                      '1992'
'TDRC' (Recording time)                             '1992'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['', '']])
'TIT2' (Title/songname/content description)         'The Rocket'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Batmobile'
'TPE2' (Band/orchestra/accompaniment)               'Batmobile'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '4/13'
'TSO2'                                              'Batmobile'
'TSOP' (Performer sort order)                       'Batmobile'
'TXXX:ASIN'                                         'B00000AQKK'
'TXXX:Acoustid Id'                                  '332461e1-4132-4ea8-ae29-e7d7ae234f85'
'TXXX:Artists'                                      'Batmobile'
'TXXX:MusicBrainz Album Artist Id'                  'b7be7cdc-d77d-48a2-8d5f-f273e6545dd7'
'TXXX:MusicBrainz Album Id'                         '5057f076-5e0a-4e28-8de8-44a5c50a8f18'
'TXXX:MusicBrainz Album Release Country'            'NL'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'b7be7cdc-d77d-48a2-8d5f-f273e6545dd7'
'TXXX:MusicBrainz Release Group Id'                 'fddf271a-aa02-35de-abe6-a4fbe83e7159'
'TXXX:MusicBrainz Release Track Id'                 '95469538-cd58-3d07-ac02-e46efb0065da'
'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'                                  'rock'
'TXXX:lastfmtags'                                   ['rock and roll', 'psychobilly', 'punk', 'rockabilly', 'rock']
'TXXX:originalyear'                                 '1992'
'TXXX:q-bass'                                       '2'
'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'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.21 dB'
'TXXX:replaygain_track_peak'                        '0.603701'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'4832be85-9131-478b-ae34-4d36434c9ec5')

========================== row from database ==========================
                                              'id'  1297036
                                            'path'  /data/Music/Bulk/00poprockelectronic/musica/Batmobile/1992 - hard hummer hits/08 - the rocket.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  136
                                           'genre'  rock-rockabilly or psychobilly
                                        'filesize'  4460242
                                           'mtime'  1620526197
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic musica 1992 hard hummer hits 08 the rocket rock rockabilly or psychobilly
                                      'tag_artist'  Batmobile
                                     'tag_release'  Hard Hammer Hits
                                       'tag_title'  The Rocket
                                             'bpm'  90.2
                                    'search_title'  'rocket':2 'the':1
                                   'search_artist'  'batmobile':1
                                  'search_release'  'hammer':2 'hard':1 'hits':3
                                     'search_rest'  '00poprockelectronic':1 '1992':3 'hard':4 'hits':6 'hummer':5 'musica':2 'or':11 'psychobilly':12 'rock':9 'rockabilly':10 'rocket':8 'the':7
                                    'search_combo'  '00poprockelectronic':7 '1992':9 'batmobile':3B 'hammer':5C 'hard':4C,10 'hits':6C,12 'hummer':11 'musica':8 'or':17 'psychobilly':18 'rock':15 'rockabilly':16 'rocket':2A,14 'the':1A,13
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', '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-2', 'q-grit-2']
                                      'lastfmtags'  ['rock and roll', 'psychobilly', 'punk', 'rockabilly', 'rock']
                                        'tag_date'  1992
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620526197.2087753  (2021-05-09 04:09:57)
                             'size'  4460242