======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '271'
                                          'artist'  'Arling & Cameron'
                                     'text_people'  ''
                                         'release'  'Music For Imaginary Films'
                                           'title'  "Let's Get Higher"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['lounge', 'downtempo', 'electronica', 'electronic', 'dutch']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic;set-pl-sced'
                                             'bpm'  '130.0'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 000007A9 000007AE 000026CA 00002ADB 00029855 00029855 00007BB3 00007CD8 '
 '0003A9AE 0000755E')
'TALB' (Album/Movie/Show title)                     'Music For Imaginary Films'
'TBPM' (BPM (beats per minute))                     '130.0'
'TCON' (Content type, a.k.a. Genre)                 ['electronic', 'set-pl-sced']
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         "Let's Get Higher"
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Arling & Cameron'
'TPE2' (Band/orchestra/accompaniment)               'Arling & Cameron'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['lounge', 'downtempo', 'electronica', 'electronic', 'dutch']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.96 dB'
'TXXX:replaygain_track_peak'                        '0.521307'

========================== row from database ==========================
                                              'id'  1502384
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/Arling & Cameron/[2000] Music For Imaginary Films/05 Let_s Get Higher.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  271
                                           'genre'  electronic;set-pl-sced
                                        'filesize'  4356368
                                           'mtime'  1636913055
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer [2000] 05 Let_s electronic;set pl sced
                                      'tag_artist'  Arling & Cameron
                                     'tag_release'  Music For Imaginary Films
                                       'tag_title'  Let's Get Higher
                                             'bpm'  130.0
                                    'search_title'  'get':4 'higher':5 'let':1 'lets':3 's':2
                                   'search_artist'  'arling':1 'cameron':2
                                  'search_release'  'films':4 'for':2 'imaginary':3 'music':1
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 '2000':3,4 'electronic':7,9 'let':5 'pl':11 's':6 'sced':12 'set':8,10
                                    'search_combo'  '00calmer':13 '00poprockelectronic':12 '2000':14,15 'arling':6B 'cameron':7B 'electronic':18,20 'films':11C 'for':9C 'get':4A 'higher':5A 'imaginary':10C 'let':1A,16 'lets':3A 'music':8C 'pl':22 's':2A,17 'sced':23 'set':19,21
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['lounge', 'downtempo', 'electronica', 'electronic', 'dutch']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636913054.8345487  (2021-11-14 19:04:14)
                             'size'  4356368