======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '138'
                                          'artist'  'Ramones'
                                     'text_people'  ''
                                         'release'  'Top 2000'
                                           'title'  "1933 - Ramones - Rock 'N Roll Highschool"
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-3', 'q-play-2', 'q-chart-3', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['classic rock', 'punk rock', '70s', 'punk', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '95.528'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:{\x13\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x13\x00\x00')
'PRIV:PeakValue:¡}\x00\x00'                         PRIV(owner='PeakValue', data=b'\xa1}\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')
'TALB' (Album/Movie/Show title)                     'Top 2000'
'TBPM' (BPM (beats per minute))                     '95.528'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         "1933 - Ramones - Rock 'N Roll Highschool"
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ramones'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['classic rock', 'punk rock', '70s', 'punk', 'rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.20 dB'
'TXXX:replaygain_track_peak'                        '0.680304'

========================== row from database ==========================
                                              'id'  1508928
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/1933 - Ramones - Rock _N Roll Highschool.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  138
                                           'genre'  rock-unsorted
                                        'filesize'  2214898
                                           'mtime'  1620392280
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] _N rock unsorted
                                      'tag_artist'  Ramones
                                     'tag_release'  Top 2000
                                       'tag_title'  1933 - Ramones - Rock 'N Roll Highschool
                                             'bpm'  95.528
                                    'search_title'  '1933':1 'highschool':7 'n':4,5 'ramones':2 'rock':3 'roll':6
                                   'search_artist'  'ramones':1
                                  'search_release'  '2000':2 'top':1
                                     'search_rest'  '00poprockelectronic':1 'files':5,6 'loose':3,4 'n':7 'rock':8 'unsorted':2
                                    'search_combo'  '00poprockelectronic':11 '1933':1A '2000':10C 'files':15,16 'highschool':7A 'loose':13,14 'n':4A,5A,17 'ramones':2A,8B 'rock':3A,18 'roll':6A 'top':9C 'unsorted':12
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'q-bass-1', 'q-grit-3']
                                      'lastfmtags'  ['classic rock', 'punk rock', '70s', 'punk', 'rock']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620392279.8998022  (2021-05-07 14:57:59)
                             'size'  2214898