======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '423'
                                          'artist'  'DJ Shadow'
                                     'text_people'  ''
                                         'release'  'The Private Press'
                                           'title'  "You Can't Go Home Again"
                                           '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-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'electronic', 'trip hop', 'hip hop', 'turntablism']"
                                     'discogstags'  "['electronic', 'hip hop', 'instrumental', 'trip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '108.355'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Private Press'
'TBPM' (BPM (beats per minute))                     '108.355'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         "You Can't Go Home Again"
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'DJ Shadow'
'TRCK' (Track number/Position in set)               '13'
'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'                                  ['electronic', 'hip hop', 'instrumental', 'trip hop']
'TXXX:lastfmtags'                                   ['electronica', 'electronic', 'trip hop', 'hip hop', 'turntablism']
'TXXX:original release date'                        ['2002', '2002']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'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'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.11 dB'
'TXXX:replaygain_track_peak'                        '0.469843'

========================== row from database ==========================
                                              'id'  1497293
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/DJ Shadow/The Private Press/MBZ;#DJ Shadow;#The Private Press;#13;#You Can_t Go Home Again.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  423
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  10178785
                                           'mtime'  1636910408
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip MBZ;#DJ Shadow;#The Press;#13;#You Can_t electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  DJ Shadow
                                     'tag_release'  The Private Press
                                       'tag_title'  You Can't Go Home Again
                                             'bpm'  108.355
                                    'search_title'  'again':7 'can':2 'cant':4 'go':5 'home':6 't':3 'you':1
                                   'search_artist'  'dj':1 'shadow':2
                                  'search_release'  'press':3 'private':2 'the':1
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 '13':12,15 'acid':24 'can':17 'dj':4,6 'downtempo':23 'electronic':19 'hop':21 'jazz':25 'mbz':3,5 'or':22 'press':11,14 'shadow':7,9 't':18 'the':8,10 'trip':20 'you':13,16
                                    'search_combo'  '00poprockelectronic':13 '00trip':14 '13':24,27 'acid':36 'again':7A 'can':2A,29 'cant':4A 'dj':8B,16,18 'downtempo':35 'electronic':31 'go':5A 'home':6A 'hop':33 'jazz':37 'mbz':15,17 'or':34 'press':12C,23,26 'private':11C 'shadow':9B,19,21 't':3A,30 'the':10C,20,22 'trip':32 'you':1A,25,28
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electronic', 'trip hop', 'hip hop', 'turntablism']
                                        'tag_date'  2002
                                     'discogstags'  ['electronic', 'hip hop', 'instrumental', 'trip hop']

============================== file details ==============================
                                           'mtime'  1636910408.142433  (2021-11-14 18:20:08)
                             'size'  10178785