======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '325'
                                          'artist'  'Sonic Youth'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'The Diamond Sea (Edit)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'alternative', 'post punk', 'experimental', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'rock-cppex-experimental or noise'
                                             'bpm'  '112.696'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '112.696'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-experimental or noise'
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         'The Diamond Sea (Edit)'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Sonic Youth'
'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'                                   ['indie', 'alternative', 'post punk', 'experimental', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.16 dB'
'TXXX:replaygain_track_peak'                        '0.529092'

========================== row from database ==========================
                                              'id'  1254811
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Sonic Youth/The Diamond Sea CDs/Sonic Youth - The Diamond Sea (Edit) - 01.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  325
                                           'genre'  rock-cppex-experimental or noise
                                        'filesize'  7806620
                                           'mtime'  1678928132
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos CDs 01 rock cppex experimental or noise
                                      'tag_artist'  Sonic Youth
                                     'tag_release'  None
                                       'tag_title'  The Diamond Sea (Edit)
                                             'bpm'  112.696
                                    'search_title'  'diamond':2 'edit':4,5 'sea':3 'the':1
                                   'search_artist'  'sonic':1 'youth':2
                                  'search_release'  
                                     'search_rest'  '00singer':1 'cds':4 'cppex':6 'eos':3 'experimental':7 'noise':9 'or':8 'rock':5 'songwriter':2
                                    'search_combo'  '00singer':8 'cds':11 'cppex':13 'diamond':2A 'edit':4A,5A 'eos':10 'experimental':14 'noise':16 'or':15 'rock':12 'sea':3A 'songwriter':9 'sonic':6B 'the':1A 'youth':7B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']
                                      'lastfmtags'  ['indie', 'alternative', 'post punk', 'experimental', 'rock']
                                        'tag_date'  1990
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1678928131.6241424  (2023-03-16 01:55:31)
                             'size'  7806620