======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '177'
                                          'artist'  '808 State'
                                     'text_people'  ''
                                         'release'  'The Hit Pack'
                                           'title'  'Cubik (Original Mix)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'acid house', 'techno', 'electronic', 'house']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '124.087'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Hit Pack'
'TBPM' (BPM (beats per minute))                     '124.087'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TIT2' (Title/songname/content description)         'Cubik (Original Mix)'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               '808 State'
'TRCK' (Track number/Position in set)               '7'
'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'                                   ['electronica', 'acid house', 'techno', 'electronic', 'house']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.87 dB'
'TXXX:replaygain_track_peak'                        '0.864307'

========================== row from database ==========================
                                              'id'  1293193
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/808 State/8__MBZ;#808 State;#The Hit Pack;#07;#Cubik (Original Mix).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  177
                                           'genre'  electronic-th-techno
                                        'filesize'  2838172
                                           'mtime'  1620572467
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted 8__MBZ;#808 State;#The Pack;#07;#Cubik electronic th techno
                                      'tag_artist'  808 State
                                     'tag_release'  The Hit Pack
                                       'tag_title'  Cubik (Original Mix)
                                             'bpm'  124.087
                                    'search_title'  'cubik':1 'mix':4,5 'original':2,3
                                   'search_artist'  '808':1 'state':2
                                  'search_release'  'hit':2 'pack':3 'the':1
                                     'search_rest'  '00poprockelectronic':1 '07':14,17 '8':3,6 '808':5,8 'cubik':15,18 'electronic':19 'mbz':4,7 'pack':13,16 'state':9,11 'techno':21 'th':20 'the':10,12 'unsorted':2
                                    'search_combo'  '00poprockelectronic':11 '07':24,27 '8':13,16 '808':6B,15,18 'cubik':1A,25,28 'electronic':29 'hit':9C 'mbz':14,17 'mix':4A,5A 'original':2A,3A 'pack':10C,23,26 'state':7B,19,21 'techno':31 'th':30 'the':8C,20,22 'unsorted':12
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'acid house', 'techno', 'electronic', 'house']
                                        'tag_date'  
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620572467.1050162  (2021-05-09 17:01:07)
                             'size'  2838172