======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '248'
                                          'artist'  'Bam Bam'
                                     'text_people'  ''
                                         'release'  'Best Of Westbrook Classics'
                                           'title'  'The underworld'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-4', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['house', 'techno', 'acid', 'chicago', 'acid house']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  '11'
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-acid'
                                             'bpm'  '131.3'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Best Of Westbrook Classics'
'TBPM' (BPM (beats per minute))                     '131.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-acid'
'TIT2' (Title/songname/content description)         'The underworld'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bam Bam'
'TRCK' (Track number/Position in set)               '07/11'
'TXXX:DATE'                                         '1995'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['house', 'techno', 'acid', 'chicago', 'acid house']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.17 dB'
'TXXX:replaygain_track_peak'                        '0.516584'

========================== row from database ==========================
                                              'id'  1369526
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/Bam Bam - 0electronic-acid/[Tresor 030 CD] Bam Bam - Best Of Westbrook Classics [1995] [128/07 Bam Bam - The underworld.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  248
                                           'genre'  electronic-th-techno-acid
                                        'filesize'  4063504
                                           'mtime'  1620563550
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats 0electronic acid [Tresor 030 CD] [1995] [128 07 electronic th techno acid
                                      'tag_artist'  Bam Bam
                                     'tag_release'  Best Of Westbrook Classics
                                       'tag_title'  The underworld
                                             'bpm'  131.3
                                    'search_title'  'the':1 'underworld':2
                                   'search_artist'  'bam':1
                                  'search_release'  'best':1 'classics':4 'of':2 'westbrook':3
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 '0electronic':6 '128':14,15 '1995':12,13 'acid':7 'beats':5 'cd':10,11 'electronic':16 'harder':4 'house':3 'techno':18 'th':17 'tresor':8,9
                                    'search_combo'  '00poprockelectronic':8 '00techno':9 '0electronic':13 '128':21,22 '1995':19,20 'acid':14 'bam':3B 'beats':12 'best':4C 'cd':17,18 'classics':7C 'electronic':23 'harder':11 'house':10 'of':5C 'techno':25 'th':24 'the':1A 'tresor':15,16 'underworld':2A 'westbrook':6C
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['house', 'techno', 'acid', 'chicago', 'acid house']
                                        'tag_date'  1995
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620563550.47447  (2021-05-09 14:32:30)
                             'size'  4063504