======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '185'
                                          'artist'  'Johnny Mathis'
                                     'text_people'  ''
                                         'release'  '16 Most Requested Songs'
                                           'title'  "It's Not For Me To Say"
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'Q-PLAY-2', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', "
 "'Q-PIANO-2', 'q-chart-1', 'q-drums-1', 'q-other-3', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['oldies', '60s', 'male vocalists', 'pop', 'easy listening', 'christmas']"
                                     'discogstags'  "['pop', 'ballad', 'vocal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '054'
                                      'tracktotal'  ''
                                            'date'  '1957'
                                        'comments'  ''
                                           'genre'  'prerock-lounge'
                                             'bpm'  '135.004'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

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'PRIV:WM/WMCollectionGroupID:\x8cÑ\x1f\x06l¬eE\x9cÞ\x9fñÚcúø'  PRIV(owner='WM/WMCollectionGroupID', data=b'\x8c\xd1\x1f\x06l\xaceE\x9c\xde\x9f\xf1\xdac\xfa\xf8')
'PRIV:WM/WMCollectionID:\x8cÑ\x1f\x06l¬eE\x9cÞ\x9fñÚcúø'  PRIV(owner='WM/WMCollectionID', data=b'\x8c\xd1\x1f\x06l\xaceE\x9c\xde\x9f\xf1\xdac\xfa\xf8')
'PRIV:WM/WMContentID:T\x00ù\nõ]çF³M²\x0b:¨æÀ'       PRIV(owner='WM/WMContentID', data=b'T\x00\xf9\n\xf5]\xe7F\xb3M\xb2\x0b:\xa8\xe6\xc0')
'TALB' (Album/Movie/Show title)                     '16 Most Requested Songs'
'TBPM' (BPM (beats per minute))                     '135.004'
'TCON' (Content type, a.k.a. Genre)                 'prerock-lounge'
'TDRC' (Recording time)                             '1957'
'TIT2' (Title/songname/content description)         "It's Not For Me To Say"
'TKEY' (Initial key)                                '4B'
'TLEN' (Length)                                     '185893'
'TPE1' (Lead performer(s)/Soloist(s))               'Johnny Mathis'
'TPUB' (Publisher)                                  'Columbia/Legacy'
'TRCK' (Track number/Position in set)               '054'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['pop', 'ballad', 'vocal']
'TXXX:lastfmtags'                                   ['oldies', '60s', 'male vocalists', 'pop', 'easy listening', 'christmas']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.03 dB'
'TXXX:replaygain_track_peak'                        '0.400569'

========================== row from database ==========================
                                              'id'  1512863
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1957/1957-054 - Johnny Mathis - It_s Not For Me To Say.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  185
                                           'genre'  prerock-lounge
                                        'filesize'  7432962
                                           'mtime'  1676126651
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1957 1957 054 It_s prerock lounge
                                      'tag_artist'  Johnny Mathis
                                     'tag_release'  16 Most Requested Songs
                                       'tag_title'  It's Not For Me To Say
                                             'bpm'  135.004
                                    'search_title'  'for':5 'it':1 'its':3 'me':6 'not':4 's':2 'say':8 'to':7
                                   'search_artist'  'johnny':1 'mathis':2
                                  'search_release'  'most':1 'requested':2 'songs':3
                                     'search_rest'  '00oldiepop':5 '1957':6 'country':4 'exotica':2 'it':7 'jazz':1 'lounge':10 'oldies':3 'prerock':9 's':8
                                    'search_combo'  '00oldiepop':18 '1957':19 'country':17 'exotica':15 'for':5A 'it':1A,20 'its':3A 'jazz':14 'johnny':9B 'lounge':23 'mathis':10B 'me':6A 'most':11C 'not':4A 'oldies':16 'prerock':22 'requested':12C 's':2A,21 'say':8A 'songs':13C 'to':7A
                                    'tag_tracknum'  54
                                      'num_images'  0
                                             'key'  4B
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', 'Q-PLAY-2', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'Q-PIANO-2', 'q-chart-1', 'q-drums-1', 'q-other-3', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['oldies', '60s', 'male vocalists', 'pop', 'easy listening', 'christmas']
                                        'tag_date'  1957
                                     'discogstags'  ['pop', 'ballad', 'vocal']

============================== file details ==============================
                                           'mtime'  1676126650.7009857  (2023-02-11 15:44:10)
                             'size'  7432962