======================== unified (from filesystem) ========================
                                         'bitrate'  '132.591'
                                        'duration'  '208'
                                          'artist'  'Pomplamoose'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Bust Your Kneecaps'
                                           'quals'  ("['Q-OLDST-2', 'Q-GRIT-2', 'Q-BUSY-2', 'Q-PLAY-3', 'Q-CHART-2', "
 "'Q-LOCALNESS-1', 'Q-HAP-3', 'Q-SYN-1', 'Q-UNU-1', 'q-bass-4', 'Q-JZFKS-1', "
 "'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'Q-HHRNBTT-1', "
 "'Q-MIXBEAT-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '118.2'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '118.2'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TIT2' (Title/songname/content description)         'Bust Your Kneecaps'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Pomplamoose'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf58.45.100'
'TXXX:Q-BUSY'                                       '2'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-9.18 dB'
'TXXX:replaygain_track_peak'                        '1.221363'

========================== row from database ==========================
                                              'id'  1494879
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Bust Your Knee Caps - Pomplamoose-FlDGFrP4NgI.mp3
                                         'working'  None
                                         'bitrate'  132
                                    'duration_sec'  208
                                           'genre'  ifs-songwriter
                                        'filesize'  3457776
                                           'mtime'  1621475436
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Caps FlDGFrP4NgI ifs songwriter
                                      'tag_artist'  Pomplamoose
                                     'tag_release'  None
                                       'tag_title'  Bust Your Kneecaps
                                             'bpm'  118.2
                                    'search_title'  'bust':1 'kneecaps':3 'your':2
                                   'search_artist'  'pomplamoose':1
                                  'search_release'  
                                     'search_rest'  '00singer':1 'caps':4 'dgfr':8 'eos':3 'fl':7 'fldgfrp4ngi':5 'i':10 'ifs':6 'p4ng':9 'songwriter':2
                                    'search_combo'  '00singer':5 'bust':1A 'caps':8 'dgfr':12 'eos':7 'fl':11 'fldgfrp4ngi':9 'i':14 'ifs':10 'kneecaps':3A 'p4ng':13 'pomplamoose':4B 'songwriter':6 'your':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-2', 'Q-OLDST-2', 'Q-GRIT-2', 'Q-CHART-2', 'Q-JZFKS-1', 'Q-UNU-1', 'q-drums-3', 'Q-SYN-1', 'q-other-2', 'Q-BUSY-2', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-4']
                                      'lastfmtags'  []
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621475436.0481534  (2021-05-20 03:50:36)
                             'size'  3457776