======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '249'
                                          'artist'  'Dick Powell'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "I Only Have Eyes For You (soundtrack ' Dames' + Ruby Keeler)"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['big band', 'jazz', '30s', 'all', 'oldies']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1934'
                                        'comments'  ''
                                           'genre'  'prerock-band'
                                             'bpm'  '88.1'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:MusicMatch_Bio:eng'                           'Sound edited by Breda4@hotmail.com'
'TBPM' (BPM (beats per minute))                     '88.1'
'TCON' (Content type, a.k.a. Genre)                 'prerock-band'
'TDRC' (Recording time)                             '1934'
'TIT2' (Title/songname/content description)         "I Only Have Eyes For You (soundtrack ' Dames' + Ruby Keeler)"
'TKEY' (Initial key)                                '10A'
'TLEN' (Length)                                     '249000'
'TPE1' (Lead performer(s)/Soloist(s))               'Dick Powell'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['big band', 'jazz', '30s', 'all', 'oldies']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.10 dB'
'TXXX:replaygain_track_peak'                        '0.525416'

========================== row from database ==========================
                                              'id'  1504440
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1934/Dick Powell - I Only Have Eyes For You (soundtrack _Dames_ + Ruby Keeler) 1934.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  249
                                           'genre'  prerock-band
                                        'filesize'  5038285
                                           'mtime'  1620560215
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1934 _Dames_ 1934 prerock band
                                      'tag_artist'  Dick Powell
                                     'tag_release'  None
                                       'tag_title'  I Only Have Eyes For You (soundtrack ' Dames' + Ruby Keeler)
                                             'bpm'  88.1
                                    'search_title'  'dames':9,10 'eyes':4 'for':5 'have':3 'i':1 'keeler':12,13 'only':2 'ruby':11 'soundtrack':7,8 'you':6
                                   'search_artist'  'dick':1 'powell':2
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1934':6 'band':9 'country':4 'dames':7 'exotica':2 'jazz':1 'oldies':3 'prerock':8
                                    'search_combo'  '00oldiepop':20 '1934':21 'band':24 'country':19 'dames':9A,10A,22 'dick':14B 'exotica':17 'eyes':4A 'for':5A 'have':3A 'i':1A 'jazz':16 'keeler':12A,13A 'oldies':18 'only':2A 'powell':15B 'prerock':23 'ruby':11A 'soundtrack':7A,8A 'you':6A
                                    'tag_tracknum'  None
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['big band', 'jazz', '30s', 'all', 'oldies']
                                        'tag_date'  1934
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620560214.8737419  (2021-05-09 13:36:54)
                             'size'  5038285