======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '220'
                                          'artist'  'Fever Tree'
                                     'text_people'  ''
                                         'release'  'Fever Tree'
                                           'title'  'San Francisco Girls (Return Of The Native)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock', 'psychedelic rock', '60s', 'psychedelic', 'classic rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '1968'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic'
                                             'bpm'  '141.413'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'MCDI' (Music CD identifier)                        MCDI(data=b'B\x00+\x009\x006\x00+\x001\x00D\x000\x00E\x00+\x004\x009\x004\x004\x00+\x008\x00A\x001\x004\x00+\x00B\x00B\x00A\x007\x00+\x00E\x009\x00B\x001\x00+\x001\x002\x00F\x00D\x00C\x00+\x001\x006\x001\x003\x008\x00+\x001\x00A\x000\x004\x00F\x00+\x001\x00D\x007\x005\x009\x00+\x002\x001\x00B\x001\x00B\x00+\x002\x005\x00E\x00F\x00C\x00\x00\x00')
'PRIV:AverageLevel:{\x10\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x10\x00\x00')
'PRIV:PeakValue:¡r\x00\x00'                         PRIV(owner='PeakValue', data=b'\xa1r\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:;\x00\x00\x00'        PRIV(owner='WM/UniqueFileIdentifier', data=b';\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Fever Tree'
'TBPM' (BPM (beats per minute))                     '141.413'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-psychedelic'
'TDRC' (Recording time)                             '1968'
'TIT2' (Title/songname/content description)         'San Francisco Girls (Return Of The Native)'
'TKEY' (Initial key)                                '11B'
'TLEN' (Length)                                     '221226'
'TPE1' (Lead performer(s)/Soloist(s))               'Fever Tree'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['rock', 'psychedelic rock', '60s', 'psychedelic', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.41 dB'
'TXXX:replaygain_track_peak'                        '0.375796'

========================== row from database ==========================
                                              'id'  1415617
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Fever Tree - fevertree/Fever Tree - Fever Tree/3 - fever tree - san francisco girls (return of the native).mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  220
                                           'genre'  rock-cppex-psychedelic
                                        'filesize'  7074297
                                           'mtime'  1620736177
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy fevertree 3 fever tree san francisco girls (return of the native) rock cppex psychedelic
                                      'tag_artist'  Fever Tree
                                     'tag_release'  Fever Tree
                                       'tag_title'  San Francisco Girls (Return Of The Native)
                                             'bpm'  141.413
                                    'search_title'  'francisco':2 'girls':3 'native':8,9 'of':6 'return':4,5 'san':1 'the':7
                                   'search_artist'  'fever':1 'tree':2
                                  'search_release'  'fever':1 'tree':2
                                     'search_rest'  '3':3 'classicprogpsy':1 'cppex':16 'fever':4 'fevertree':2 'francisco':7 'girls':8 'native':13,14 'of':11 'psychedelic':17 'return':9,10 'rock':15 'san':6 'the':12 'tree':5
                                    'search_combo'  '3':16 'classicprogpsy':14 'cppex':29 'fever':10B,12C,17 'fevertree':15 'francisco':2A,20 'girls':3A,21 'native':8A,9A,26,27 'of':6A,24 'psychedelic':30 'return':4A,5A,22,23 'rock':28 'san':1A,19 'the':7A,25 'tree':11B,13C,18
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'psychedelic rock', '60s', 'psychedelic', 'classic rock']
                                        'tag_date'  1968
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620736177.4635587  (2021-05-11 14:29:37)
                             'size'  7074297