======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '136'
                                          'artist'  'Batmobile'
                                     'text_people'  ''
                                         'release'  'Bail Was Set at $6,000,000'
                                           'title'  'Mystery Street'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock and roll', 'psychobilly', 'punk', 'rockabilly', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '12'
                                            'date'  '1993'
                                        'comments'  ''
                                           'genre'  'rock-rockabilly or psychobilly'
                                             'bpm'  '140'
                                             'key'  '10A'
                                        'acoustid'  '60cab0e5-13e1-47ef-b6bc-c6512300e286'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Bail Was Set at $6,000,000'
'TBPM' (BPM (beats per minute))                     '140'
'TCON' (Content type, a.k.a. Genre)                 'rock-rockabilly or psychobilly'
'TDOR' (Original release time)                      '1988'
'TDRC' (Recording time)                             '1993'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['', '']])
'TIT2' (Title/songname/content description)         'Mystery Street'
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Batmobile'
'TPE2' (Band/orchestra/accompaniment)               'Batmobile'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Nervous Records'
'TRCK' (Track number/Position in set)               '4/12'
'TSO2'                                              'Batmobile'
'TSOP' (Performer sort order)                       'Batmobile'
'TXXX:ASIN'                                         'B00000ATXT'
'TXXX:Acoustid Id'                                  '60cab0e5-13e1-47ef-b6bc-c6512300e286'
'TXXX:Artists'                                      'Batmobile'
'TXXX:BARCODE'                                      '5017273003527'
'TXXX:CATALOGNUMBER'                                'NERCD 035'
'TXXX:MusicBrainz Album Artist Id'                  'b7be7cdc-d77d-48a2-8d5f-f273e6545dd7'
'TXXX:MusicBrainz Album Id'                         '0c09007d-e910-31e6-a37e-3fea11b28b79'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'b7be7cdc-d77d-48a2-8d5f-f273e6545dd7'
'TXXX:MusicBrainz Release Group Id'                 'da87634a-59a8-3285-8c09-750524d5f9eb'
'TXXX:MusicBrainz Release Track Id'                 '693cdc5b-9a18-322b-afd0-e6a91c38551e'
'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'                                 '1988'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.13 dB'
'TXXX:replaygain_track_peak'                        '0.346306'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'd8e22ed8-4f4d-4dd7-b748-62057c672f46')

========================== row from database ==========================
                                              'id'  1289890
                                            'path'  /data/Music/Bulk/00poprockelectronic/musica/Batmobile/1988 - bail was set at $ 6,000,000/04 - Mystery Street.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  136
                                           'genre'  rock-rockabilly or psychobilly
                                        'filesize'  4453900
                                           'mtime'  1620526151
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic musica 1988 bail was set 04 rock rockabilly or psychobilly
                                      'tag_artist'  Batmobile
                                     'tag_release'  Bail Was Set at $6,000,000
                                       'tag_title'  Mystery Street
                                             'bpm'  140.0
                                    'search_title'  'mystery':1 'street':2
                                   'search_artist'  'batmobile':1
                                  'search_release'  '000':6,7,9,10 '6':5,8 'at':4 'bail':1 'set':3 'was':2
                                     'search_rest'  '00poprockelectronic':1 '1988':3 'bail':4 'musica':2 'or':9 'psychobilly':10 'rock':7 'rockabilly':8 'set':6 'was':5
                                    'search_combo'  '000':9C,10C,12C,13C '00poprockelectronic':14 '1988':16 '6':8C,11C 'at':7C 'bail':4C,17 'batmobile':3B 'musica':15 'mystery':1A 'or':22 'psychobilly':23 'rock':20 'rockabilly':21 'set':6C,19 'street':2A 'was':5C,18
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['rock and roll', 'psychobilly', 'punk', 'rockabilly', 'rock']
                                        'tag_date'  1993
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620526151.0032175  (2021-05-09 04:09:11)
                             'size'  4453900