======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '206'
                                          'artist'  'Carpenters'
                                     'text_people'  ''
                                         'release'  'English'
                                           'title'  'Carpenters - Love Me For What I Am'
                                           'quals'  ("['Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-2', "
 "'q-syn-1', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                                      'lastfmtags'  "['oldies', 'female vocalists', 'pop', 'easy listening', '70s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-squeaky'
                                             'bpm'  '126.568'
                                             'key'  '3B'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:Þ\n\x00\x00'                     PRIV(owner='AverageLevel', data=b'\xde\n\x00\x00')
'PRIV:PeakValue:÷\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xf7\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)                     'English'
'TBPM' (BPM (beats per minute))                     '126.568'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-squeaky'
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'Carpenters - Love Me For What I Am'
'TKEY' (Initial key)                                '3B'
'TPE1' (Lead performer(s)/Soloist(s))               'Carpenters'
'TRCK' (Track number/Position in set)               '16'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['oldies', 'female vocalists', 'pop', 'easy listening', '70s']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.48 dB'
'TXXX:replaygain_track_peak'                        '0.840685'

========================== row from database ==========================
                                              'id'  1322675
                                            'path'  /data/Music/Bulk/00poprockelectronic/Carpenters/Carpenters - Love Me For What I Am.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  206
                                           'genre'  electronic-generic or radio-squeaky
                                        'filesize'  3309075
                                           'mtime'  1620568255
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic electronic generic radio squeaky
                                      'tag_artist'  Carpenters
                                     'tag_release'  English
                                       'tag_title'  Carpenters - Love Me For What I Am
                                             'bpm'  126.568
                                    'search_title'  'am':7 'carpenters':1 'for':4 'i':6 'love':2 'me':3 'what':5
                                   'search_artist'  'carpenters':1
                                  'search_release'  'english':1
                                     'search_rest'  '00poprockelectronic':1 'electronic':2 'generic':3 'radio':4 'squeaky':5
                                    'search_combo'  '00poprockelectronic':10 'am':7A 'carpenters':1A,8B 'electronic':11 'english':9C 'for':4A 'generic':12 'i':6A 'love':2A 'me':3A 'radio':13 'squeaky':14 'what':5A
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  3B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-1', 'q-chart-3', 'q-other-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['oldies', 'female vocalists', 'pop', 'easy listening', '70s']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620568254.5632215  (2021-05-09 15:50:54)
                             'size'  3309075