======================== unified (from filesystem) ========================
                                         'bitrate'  '127.706'
                                        'duration'  '258'
                                          'artist'  'Ani DiFranco'
                                     'text_people'  ''
                                         'release'  'Not So Soft'
                                           'title'  'On Every Corner'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'folk rock', 'female vocalists', 'folk', 'singer songwriter']"
                                     'discogstags'  "['rock', 'folk rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1991'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '132.531'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Not So Soft'
'TBPM' (BPM (beats per minute))                     '132.531'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TDOR' (Original release time)                      '1991'
'TDRC' (Recording time)                             '1991'
'TIT2' (Title/songname/content description)         'On Every Corner'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Ani DiFranco'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'folk rock']
'TXXX:lastfmtags'                                   ['indie', 'folk rock', 'female vocalists', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.28 dB'
'TXXX:replaygain_track_peak'                        '0.963663'

========================== row from database ==========================
                                              'id'  1380420
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/00songwriter-eos/Ani DiFranco/Not So Soft/MBZ;#Ani DiFranco;#Not So Soft;#05;#On Every Corner.mp3
                                         'working'  None
                                         'bitrate'  127
                                    'duration_sec'  258
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  4139629
                                           'mtime'  1623430183
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 00songwriter eos MBZ;#Ani DiFranco;#Not Soft;#05;#On ifs songwriter eos
                                      'tag_artist'  Ani DiFranco
                                     'tag_release'  Not So Soft
                                       'tag_title'  On Every Corner
                                             'bpm'  132.531
                                    'search_title'  'corner':3 'every':2 'on':1
                                   'search_artist'  'ani':1 'di':3 'difranco':2 'franco':4
                                  'search_release'  'not':1 'so':2 'soft':3
                                     'search_rest'  '00singer':1 '00songwriter':4 '05':14,17 'ani':6,8 'di':20 'difranco':9,11 'eos':3 'franco':21,23 'ifs':19 'mbz':5,7 'not':10,12,22,24 'on':15,18 'soft':13,16 'songwriter':2
                                    'search_combo'  '00singer':11 '00songwriter':14 '05':24,27 'ani':4B,16,18 'corner':3A 'di':6B,30 'difranco':5B,19,21 'eos':13 'every':2A 'franco':7B,31,33 'ifs':29 'mbz':15,17 'not':8C,20,22,32,34 'on':1A,25,28 'so':9C 'soft':10C,23,26 'songwriter':12
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-1', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'folk rock', 'female vocalists', 'folk', 'singer songwriter']
                                        'tag_date'  1991
                                     'discogstags'  ['rock', 'folk rock']

============================== file details ==============================
                                           'mtime'  1623430182.5850239  (2021-06-11 18:49:42)
                             'size'  4139629