======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '221'
                                          'artist'  'Techmaster P.E.B.'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Bassgasm (Ultimate Woofer Test)'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'q-syn-2', "
 "'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-3', "
 "'q-other-1', 'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['electronic', 'electro', 'bass', '90s', 'klang electronica hi-fidelity']"
                                     'discogstags'  "['bass music', 'electronic', 'hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '17'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '127'
                                             'key'  '6B'
                                        'acoustid'  '6416672d-da81-4c14-9124-60353e8c3b15'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TBPM' (BPM (beats per minute))                     '127'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDOR' (Original release time)                      '1991'
'TDRC' (Recording time)                             '1998-09-29'
'TIT2' (Title/songname/content description)         'Bassgasm (Ultimate Woofer Test)'
'TKEY' (Initial key)                                '6B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Techmaster P.E.B.'
'TPE2' (Band/orchestra/accompaniment)               'Techmaster P.E.B.'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Newtown Music'
'TRCK' (Track number/Position in set)               '6/17'
'TSO2'                                              'Techmaster P.E.B.'
'TSOP' (Performer sort order)                       'Techmaster P.E.B.'
'TXXX:ASIN'                                         'B00000DCJM'
'TXXX:Acoustid Id'                                  '6416672d-da81-4c14-9124-60353e8c3b15'
'TXXX:Artists'                                      'Techmaster P.E.B.'
'TXXX:Mp3gain_minmax'                               '059,184'
'TXXX:Mp3gain_undo'                                 '+001,+001,N'
'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'                                  ['bass music', 'electronic', 'hip hop']
'TXXX:lastfmtags'                                   ['electronic', 'electro', 'bass', '90s', 'klang electronica hi-fidelity']
'TXXX:originalyear'                                 '1991'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-7.79 dB'
'TXXX:replaygain_track_peak'                        '0.863342'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'54bb54cc-0f94-4719-83f2-d6e76c190870')

========================== row from database ==========================
                                              'id'  1318103
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/THX Bass Test - Ultimate Subwoofer Test.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  221
                                           'genre'  electronic-unsorted
                                        'filesize'  3561584
                                           'mtime'  1620573006
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] THX Subwoofer electronic unsorted
                                      'tag_artist'  Techmaster P.E.B.
                                     'tag_release'  None
                                       'tag_title'  Bassgasm (Ultimate Woofer Test)
                                             'bpm'  127.0
                                    'search_title'  'bassgasm':1 'test':5,6 'ultimate':2,3 'woofer':4
                                   'search_artist'  'b':4 'e':3 'p':2 'peb':5 'techmaster':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'electronic':9 'files':5,6 'loose':3,4 'subwoofer':8 'thx':7 'unsorted':2
                                    'search_combo'  '00poprockelectronic':12 'b':10B 'bassgasm':1A 'e':9B 'electronic':20 'files':16,17 'loose':14,15 'p':8B 'peb':11B 'subwoofer':19 'techmaster':7B 'test':5A,6A 'thx':18 'ultimate':2A,3A 'unsorted':13 'woofer':4A
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'electro', 'bass', '90s', 'klang electronica hi-fidelity']
                                        'tag_date'  1998
                                     'discogstags'  ['bass music', 'electronic', 'hip hop']

============================== file details ==============================
                                           'mtime'  1620573006.1975923  (2021-05-09 17:10:06)
                             'size'  3561584