======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '332'
                                          'artist'  'Keith Emerson Band featuring Marc Bonilla'
                                     'text_people'  ''
                                         'release'  'Progsoup 20'
                                           'title'  'Malambo (from "Estancia Suite")'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'Q-PLAY-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-2', 'q-drums-4', 'q-other-3', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['progressive rock', 'progressive', 'classical', 'prog rock', 'uk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '50'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '133.403'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:WM/WMCollectionID:5í\x89s4\x93\x16M\xa0Mj\x80X©¯4'  PRIV(owner='WM/WMCollectionID', data=b'5\xed\x89s4\x93\x16M\xa0Mj\x80X\xa9\xaf4')
'PRIV:WM/WMContentID:o\x8cü\x9a\x83¼\\N\x8deìv\t¢\x86ø'  PRIV(owner='WM/WMContentID', data=b'o\x8c\xfc\x9a\x83\xbc\\N\x8de\xecv\t\xa2\x86\xf8')
'TALB' (Album/Movie/Show title)                     'Progsoup 20'
'TBPM' (BPM (beats per minute))                     '133.403'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Malambo (from "Estancia Suite")'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Keith Emerson Band featuring Marc Bonilla'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'JVC Japan'
'TRCK' (Track number/Position in set)               '50'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['progressive rock', 'progressive', 'classical', 'prog rock', 'uk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.75 dB'
'TXXX:replaygain_track_peak'                        '0.483364'

========================== row from database ==========================
                                              'id'  1409891
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup 20/1173 keith emerson band -  malambo (from estancia suite).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  332
                                           'genre'  rock-cppex-progressive
                                        'filesize'  7995516
                                           'mtime'  1620736843
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup 1173 keith emerson band malambo estancia suite) rock cppex progressive
                                      'tag_artist'  Keith Emerson Band featuring Marc Bonilla
                                     'tag_release'  Progsoup 20
                                       'tag_title'  Malambo (from "Estancia Suite")
                                             'bpm'  133.403
                                    'search_title'  'estancia':4 'from':2,3 'malambo':1 'suite':5,6
                                   'search_artist'  'band':3 'bonilla':6 'emerson':2 'featuring':4 'keith':1 'marc':5
                                  'search_release'  '20':2 'progsoup':1
                                     'search_rest'  '1173':3 'band':6 'classicprogpsy':1 'cppex':12 'emerson':5 'estancia':8 'keith':4 'malambo':7 'progressive':13 'progsoup':2 'rock':11 'suite':9,10
                                    'search_combo'  '1173':17 '20':14C 'band':9B,20 'bonilla':12B 'classicprogpsy':15 'cppex':26 'emerson':8B,19 'estancia':4A,22 'featuring':10B 'from':2A,3A 'keith':7B,18 'malambo':1A,21 'marc':11B 'progressive':27 'progsoup':13C,16 'rock':25 'suite':5A,6A,23,24
                                    'tag_tracknum'  50
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['progressive rock', 'progressive', 'classical', 'prog rock', 'uk']
                                        'tag_date'  2008
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620736842.5330296  (2021-05-11 14:40:42)
                             'size'  7995516