======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '244'
                                          'artist'  'Rick Springfield'
                                     'text_people'  ''
                                         'release'  'Best of Rick Springfield'
                                           'title'  'State of the Heart'
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'classic rock', 'pop rock', 'pop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '107.607'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'MCDI' (Music CD identifier)                        MCDI(data=b'\x00\xa2\x01\x13\x00\x10\x01\x00\x00\x00\x00 \x00\x10\x02\x00\x00\x000\xd4\x00\x10\x03\x00\x00\x00j\x0b\x00\x10\x04\x00\x00\x00\xaa\x02\x00\x10\x05\x00\x00\x00\xef\xe9\x00\x10\x06\x00\x00\x018P\x00\x10\x07\x00\x00\x01wp\x00\x10\x08\x00\x00\x01\xbb\x11\x00\x10\t\x00\x00\x01\xf6S\x00\x10\n\x00\x00\x0211\x00\x10\x0b\x00\x00\x02e\xa2\x00\x10\x0c\x00\x00\x02\x9e\xe6\x00\x10\r\x00\x00\x02\xe4M\x00\x10\x0e\x00\x00\x03\x1eY\x00\x10\x0f\x00\x00\x03e\x88\x00\x10\x10\x00\x00\x03\xc0P\x00\x10\x11\x00\x00\x04\tH\x00\x10\x12\x00\x00\x04P\xcb\x00\x10\x13\x00\x00\x04\x8dM\x00\x10\xaa\x00\x00\x04\xcaT\xff\xff')
'TALB' (Album/Movie/Show title)                     'Best of Rick Springfield'
'TBPM' (BPM (beats per minute))                     '107.607'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDRC' (Recording time)                             '1985'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'State of the Heart'
'TKEY' (Initial key)                                '10B'
'TLEN' (Length)                                     '244093'
'TPE1' (Lead performer(s)/Soloist(s))               'Rick Springfield'
'TPUB' (Publisher)                                  'Bmg/Camden'
'TRCK' (Track number/Position in set)               '17'
'TSSE' (Software/Hardware and settings used for encoding)  'lame.exe -p -h -b 320'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'classic rock', 'pop rock', 'pop', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'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'                        '+0.19 dB'
'TXXX:replaygain_track_peak'                        '0.554565'

========================== row from database ==========================
                                              'id'  1319635
                                            'path'  /data/Music/Bulk/00poprockelectronic/1985 complete/180-A Rick Springfield - State Of The Heart (single version).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  244
                                           'genre'  rock-unsorted
                                        'filesize'  9815388
                                           'mtime'  1620389100
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1985 complete 180 A Of The (single version) rock unsorted
                                      'tag_artist'  Rick Springfield
                                     'tag_release'  Best of Rick Springfield
                                       'tag_title'  State of the Heart
                                             'bpm'  107.607
                                    'search_title'  'heart':4 'of':2 'state':1 'the':3
                                   'search_artist'  'rick':1 'springfield':2
                                  'search_release'  'best':1 'of':2 'rick':3 'springfield':4
                                     'search_rest'  '00poprockelectronic':1 '180':4 '1985':2 'a':5 'complete':3 'of':6 'rock':12 'single':8,9 'the':7 'unsorted':13 'version':10,11
                                    'search_combo'  '00poprockelectronic':11 '180':14 '1985':12 'a':15 'best':7C 'complete':13 'heart':4A 'of':2A,8C,16 'rick':5B,9C 'rock':22 'single':18,19 'springfield':6B,10C 'state':1A 'the':3A,17 'unsorted':23 'version':20,21
                                    'tag_tracknum'  17
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'classic rock', 'pop rock', 'pop', 'rock']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620389100.1031249  (2021-05-07 14:05:00)
                             'size'  9815388