======================== unified (from filesystem) ========================
                                         'bitrate'  '64.0'
                                        'duration'  '238'
                                          'artist'  'Amanda Marshall'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Song instead of a kiss'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock', 'singer songwriter', 'female vocalists', 'pop', 'canadian']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '132.966'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '132.966'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Song instead of a kiss'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Amanda Marshall'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rock', 'singer songwriter', 'female vocalists', 'pop', 'canadian']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.94 dB'
'TXXX:replaygain_track_peak'                        '0.580371'

========================== row from database ==========================
                                              'id'  1267643
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Amanda Marshall/amanda marshall - song instead of a kiss.mp3
                                         'working'  None
                                         'bitrate'  64
                                    'duration_sec'  238
                                           'genre'  ifs-songwriter
                                        'filesize'  1908254
                                           'mtime'  1636916202
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos amanda marshall song ifs songwriter
                                      'tag_artist'  Amanda Marshall
                                     'tag_release'  None
                                       'tag_title'  Song instead of a kiss
                                             'bpm'  132.966
                                    'search_title'  'a':4 'instead':2 'kiss':5 'of':3 'song':1
                                   'search_artist'  'amanda':1 'marshall':2
                                  'search_release'  
                                     'search_rest'  '00singer':1 'amanda':4 'eos':3 'ifs':7 'marshall':5 'song':6 'songwriter':2
                                    'search_combo'  '00singer':8 'a':4A 'amanda':6B,11 'eos':10 'ifs':14 'instead':2A 'kiss':5A 'marshall':7B,12 'of':3A 'song':1A,13 'songwriter':9
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['rock', 'singer songwriter', 'female vocalists', 'pop', 'canadian']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636916201.5423877  (2021-11-14 19:56:41)
                             'size'  1908254