======================== unified (from filesystem) ========================
                                         'bitrate'  '208.765'
                                        'duration'  '337'
                                          'artist'  'US3'
                                     'text_people'  ''
                                         'release'  'Broadway & 52nd'
                                           'title'  "Doin' A Crime"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', "
 "'Q-OLDST-3', '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-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['jazz', 'acid jazz', 'electronic', 'hip hop', 'funk']"
                                     'discogstags'  "['jazz', 'hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '85.237'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Broadway & 52nd'
'TBPM' (BPM (beats per minute))                     '85.237'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         "Doin' A Crime"
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'US3'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['jazz', 'hip hop']
'TXXX:lastfmtags'                                   ['jazz', 'acid jazz', 'electronic', 'hip hop', 'funk']
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.78 dB'
'TXXX:replaygain_track_peak'                        '0.507133'

========================== row from database ==========================
                                              'id'  1511706
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/US3/MBZ;#US3;#Broadway & 52nd;#10;#Doin_ A Crime.mp3
                                         'working'  None
                                         'bitrate'  208
                                    'duration_sec'  337
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  8804633
                                           'mtime'  1636911054
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip MBZ;#US3;#Broadway 52nd;#10;#Doin_ electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  US3
                                     'tag_release'  Broadway & 52nd
                                       'tag_title'  Doin' A Crime
                                             'bpm'  85.237
                                    'search_title'  'a':3 'crime':4 'doin':1,2
                                   'search_artist'  'us3':1
                                  'search_release'  '52nd':2 'broadway':1
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 '10':10,13 '52nd':9,12 'acid':20 'broadway':5,8 'doin':11,14 'downtempo':19 'electronic':15 'hop':17 'jazz':21 'mbz':3,6 'or':18 'trip':16 'us3':4,7
                                    'search_combo'  '00poprockelectronic':8 '00trip':9 '10':17,20 '52nd':7C,16,19 'a':3A 'acid':27 'broadway':6C,12,15 'crime':4A 'doin':1A,2A,18,21 'downtempo':26 'electronic':22 'hop':24 'jazz':28 'mbz':10,13 'or':25 'trip':23 'us3':5B,11,14
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-3', '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-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jazz', 'acid jazz', 'electronic', 'hip hop', 'funk']
                                        'tag_date'  1997
                                     'discogstags'  ['jazz', 'hip hop']

============================== file details ==============================
                                           'mtime'  1636911053.825847  (2021-11-14 18:30:53)
                             'size'  8804633