======================== unified (from filesystem) ========================
                                         'bitrate'  '162.102'
                                        'duration'  '441'
                                          'artist'  'Sonic Youth'
                                     'text_people'  ''
                                         'release'  'evol'
                                           'title'  'madonna, sean and me'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'alternative', 'post punk', 'experimental', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '09'
                                      'tracktotal'  ''
                                            'date'  '1986'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-experimental'
                                             'bpm'  '125.470'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'evol'
'TBPM' (BPM (beats per minute))                     '125.470'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-experimental'
'TDRC' (Recording time)                             '1986'
'TIT2' (Title/songname/content description)         'madonna, sean and me'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'Sonic Youth'
'TRCK' (Track number/Position in set)               '09'
'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'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.03 dB'
'TXXX:replaygain_track_peak'                        '0.447309'

========================== row from database ==========================
                                              'id'  1254476
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Sonic Youth/Evol/Sonic Youth - Madonna, Sean and Me - 09.mp3
                                         'working'  None
                                         'bitrate'  162
                                    'duration_sec'  441
                                           'genre'  ifs-songwriter-experimental
                                        'filesize'  8953749
                                           'mtime'  1636400838
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Evol Madonna, Sean Me 09 ifs songwriter experimental
                                      'tag_artist'  Sonic Youth
                                     'tag_release'  evol
                                       'tag_title'  madonna, sean and me
                                             'bpm'  125.47
                                    'search_title'  'and':4 'madonna':1,2 'me':5 'sean':3
                                   'search_artist'  'sonic':1 'youth':2
                                  'search_release'  'evol':1
                                     'search_rest'  '00singer':1 'eos':3 'evol':4 'experimental':10 'ifs':9 'madonna':5,6 'me':8 'sean':7 'songwriter':2
                                    'search_combo'  '00singer':9 'and':4A 'eos':11 'evol':8C,12 'experimental':18 'ifs':17 'madonna':1A,2A,13,14 'me':5A,16 'sean':3A,15 'songwriter':10 'sonic':6B 'youth':7B
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'post punk', 'experimental', 'rock']
                                        'tag_date'  1986
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636400837.8458688  (2021-11-08 20:47:17)
                             'size'  8953749