======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '929'
                                          'artist'  'Lard'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'I Am your Clock'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['industrial metal', 'hardcore', 'industrial', 'punk', 'industrial rock']"
                                     'discogstags'  "['industrial', 'punk', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'rock-gr-hard;eid-metal-industrial'
                                             'bpm'  '125.470'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '125.470'
'TCON' (Content type, a.k.a. Genre)                 ['rock-gr-hard', 'eid-metal-industrial']
'TIT2' (Title/songname/content description)         'I Am your Clock'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lard'
'TRCK' (Track number/Position in set)               '09'
'TXXX:Mp3gain_minmax'                               '106,188'
'TXXX:Mp3gain_undo'                                 '+005,+005,N'
'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:discogstags'                                  ['industrial', 'punk', 'rock']
'TXXX:lastfmtags'                                   ['industrial metal', 'hardcore', 'industrial', 'punk', 'industrial rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.36 dB'
'TXXX:replaygain_track_peak'                        '0.441497'

========================== row from database ==========================
                                              'id'  1326022
                                            'path'  /data/Music/Bulk/00dwimp/Lard/The Last Temptation of Reid/Lard - I Am your Clock - 09.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  929
                                           'genre'  rock-gr-hard;eid-metal-industrial
                                        'filesize'  14875879
                                           'mtime'  1620311096
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp The Last Temptation of Reid 09 rock gr hard;eid metal industrial
                                      'tag_artist'  Lard
                                     'tag_release'  None
                                       'tag_title'  I Am your Clock
                                             'bpm'  125.47
                                    'search_title'  'am':2 'clock':4 'i':1 'your':3
                                   'search_artist'  'lard':1
                                  'search_release'  
                                     'search_rest'  '00dwimp':1 'eid':10,12 'gr':8 'hard':9,11 'industrial':14 'last':3 'metal':13 'of':5 'reid':6 'rock':7 'temptation':4 'the':2
                                    'search_combo'  '00dwimp':6 'am':2A 'clock':4A 'eid':15,17 'gr':13 'hard':14,16 'i':1A 'industrial':19 'lard':5B 'last':8 'metal':18 'of':10 'reid':11 'rock':12 'temptation':9 'the':7 'your':3A
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-2', 'q-other-2', 'Q-HAP-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['industrial metal', 'hardcore', 'industrial', 'punk', 'industrial rock']
                                        'tag_date'  
                                     'discogstags'  ['industrial', 'punk', 'rock']

============================== file details ==============================
                                           'mtime'  1620311096.0495071  (2021-05-06 16:24:56)
                             'size'  14875879