======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '292'
                                          'artist'  'Marilyn Manson'
                                     'text_people'  ''
                                         'release'  'Smells like Children'
                                           'title'  'Marylin Manson- Sweet Dreams'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['industrial metal', 'industrial rock', 'industrial', 'metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'eid-metal-industrial'
                                             'bpm'  '92.223'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:AverageLevel:\x07/\x00\x00'                   PRIV(owner='AverageLevel', data=b'\x07/\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'Smells like Children'
'TBPM' (BPM (beats per minute))                     '92.223'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-industrial'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Marylin Manson- Sweet Dreams'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Marilyn Manson'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['industrial metal', 'industrial rock', 'industrial', 'metal', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.69 dB'
'TXXX:replaygain_track_peak'                        '0.348830'

========================== row from database ==========================
                                              'id'  1285603
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/marilyn manson - Marylin Manson- Sweet Dreams.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  292
                                           'genre'  eid-metal-industrial
                                        'filesize'  7010914
                                           'mtime'  1620311113
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] marilyn manson eid metal industrial
                                      'tag_artist'  Marilyn Manson
                                     'tag_release'  Smells like Children
                                       'tag_title'  Marylin Manson- Sweet Dreams
                                             'bpm'  92.223
                                    'search_title'  'dreams':5 'manson':2,3 'marylin':1 'sweet':4
                                   'search_artist'  'manson':2 'marilyn':1
                                  'search_release'  'children':3 'like':2 'smells':1
                                     'search_rest'  '00poprockelectronic':1 'eid':9 'files':5,6 'industrial':11 'loose':3,4 'manson':8 'marilyn':7 'metal':10 'unsorted':2
                                    'search_combo'  '00poprockelectronic':11 'children':10C 'dreams':5A 'eid':19 'files':15,16 'industrial':21 'like':9C 'loose':13,14 'manson':2A,3A,7B,18 'marilyn':6B,17 'marylin':1A 'metal':20 'smells':8C 'sweet':4A 'unsorted':12
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['industrial metal', 'industrial rock', 'industrial', 'metal', 'rock']
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620311113.1884248  (2021-05-06 16:25:13)
                             'size'  7010914