======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '444'
                                          'artist'  'Astral Projection'
                                     'text_people'  ''
                                         'release'  'The Astral Files'
                                           'title'  'Time Began with the Universe'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-4', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['trance', 'goa', 'psychedelic', 'psytrance', 'electronic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '10'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'electronic-th-trance-goa or psy;set-pl-sced'
                                             'bpm'  '139.4'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 00000663 000006F0 00002F3F 000030D3 0004E245 0004E245 00007E07 000077A5 '
 '0003A980 0004E245')
'TALB' (Album/Movie/Show title)                     'The Astral Files'
'TBPM' (BPM (beats per minute))                     '139.4'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-th-trance-goa or psy', 'set-pl-sced']
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Time Began with the Universe'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Astral Projection'
'TPE2' (Band/orchestra/accompaniment)               'Astral Projection'
'TRCK' (Track number/Position in set)               '7/10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['trance', 'goa', 'psychedelic', 'psytrance', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.77 dB'
'TXXX:replaygain_track_peak'                        '0.518892'

========================== row from database ==========================
                                              'id'  1468900
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Astral Projection/[1997] The Astral Files/07 Time Began with the Universe.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  444
                                           'genre'  electronic-th-trance-goa or psy;set-pl-sced
                                        'filesize'  14261700
                                           'mtime'  1620559135
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat [1997] 07 electronic trance goa or psy;set pl sced
                                      'tag_artist'  Astral Projection
                                     'tag_release'  The Astral Files
                                       'tag_title'  Time Began with the Universe
                                             'bpm'  139.4
                                    'search_title'  'began':2 'the':4 'time':1 'universe':5 'with':3
                                   'search_artist'  'astral':1 'projection':2
                                  'search_release'  'astral':2 'files':3 'the':1
                                     'search_rest'  '00poprockelectronic':1 '1997':5,6 'dance':3 'electronic':7 'generic':2 'goa':9 'or':10 'pl':15 'psy':11,13 'sced':16 'set':12,14 'trance':8 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':11 '1997':15,16 'astral':6B,9C 'began':2A 'dance':13 'electronic':17 'files':10C 'generic':12 'goa':19 'or':20 'pl':25 'projection':7B 'psy':21,23 'sced':26 'set':22,24 'the':4A,8C 'time':1A 'trance':18 'trapbeat':14 'universe':5A 'with':3A
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-4', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['trance', 'goa', 'psychedelic', 'psytrance', 'electronic']
                                        'tag_date'  1997
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620559135.4423995  (2021-05-09 13:18:55)
                             'size'  14261700