======================== unified (from filesystem) ========================
                                         'bitrate'  '221.692'
                                        'duration'  '399'
                                          'artist'  'Jefferson Airplane'
                                     'text_people'  ''
                                         'release'  'Volunteers'
                                           'title'  'eskimo blue day'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', "
 "'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-4', "
 "'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['rock', 'psychedelic rock', 'psychedelic', '60s', 'classic rock']"
                                     'discogstags'  "['rock', 'psychedelic rock', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-unsorted;rock-cppex;rock-cppex-psychedelic'
                                             'bpm'  '144.852'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:Û\x11\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xdb\x11\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\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)                     'Volunteers'
'TBPM' (BPM (beats per minute))                     '144.852'
'TCON' (Content type, a.k.a. Genre)                 ['rock-unsorted', 'rock-cppex', 'rock-cppex-psychedelic']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'eskimo blue day'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Jefferson Airplane'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'psychedelic rock', 'classic rock']
'TXXX:lastfmtags'                                   ['rock', 'psychedelic rock', 'psychedelic', '60s', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.69 dB'
'TXXX:replaygain_track_peak'                        '0.603147'

========================== row from database ==========================
                                              'id'  1345821
                                            'path'  /data/Music/Bulk/00poprockelectronic/Jefferson Airplane/Volunteers/jefferson airplane - 1969 - volunteers - 07 - eskimo blue day.mp3
                                         'working'  None
                                         'bitrate'  221
                                    'duration_sec'  399
                                           'genre'  rock-unsorted;rock-cppex;rock-cppex-psychedelic
                                        'filesize'  11062928
                                           'mtime'  1636038770
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic jefferson airplane 1969 volunteers 07 rock unsorted;rock cppex;rock cppex psychedelic
                                      'tag_artist'  Jefferson Airplane
                                     'tag_release'  Volunteers
                                       'tag_title'  eskimo blue day
                                             'bpm'  144.852
                                    'search_title'  'blue':2 'day':3 'eskimo':1
                                   'search_artist'  'airplane':2 'jefferson':1
                                  'search_release'  'volunteers':1
                                     'search_rest'  '00poprockelectronic':1 '1969':4 'airplane':3 'cppex':11,13,15 'jefferson':2 'psychedelic':16 'rock':6,8,10,12,14 'unsorted':7,9 'volunteers':5
                                    'search_combo'  '00poprockelectronic':7 '1969':10 'airplane':5B,9 'blue':2A 'cppex':17,19,21 'day':3A 'eskimo':1A 'jefferson':4B,8 'psychedelic':22 'rock':12,14,16,18,20 'unsorted':13,15 'volunteers':6C,11
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-4', 'q-other-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'psychedelic rock', 'psychedelic', '60s', 'classic rock']
                                        'tag_date'  1965
                                     'discogstags'  ['rock', 'psychedelic rock', 'classic rock']

============================== file details ==============================
                                           'mtime'  1636038770.410055  (2021-11-04 16:12:50)
                             'size'  11062928