======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '254'
                                          'artist'  'Nick Cave And The Bad Seeds'
                                     'text_people'  ''
                                         'release'  'Murder Ballads'
                                           'title'  'Crow Jane'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-2', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative rock', 'alternative', 'post punk', 'singer songwriter', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '125.782'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Track 8'
'TALB' (Album/Movie/Show title)                     'Murder Ballads'
'TBPM' (BPM (beats per minute))                     '125.782'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Crow Jane'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Nick Cave And The Bad Seeds'
'TRCK' (Track number/Position in set)               '8'
'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'                                   ['alternative rock', 'alternative', 'post punk', 'singer songwriter', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-2.26 dB'
'TXXX:replaygain_track_peak'                        '0.619641'

========================== row from database ==========================
                                              'id'  173849
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Nick Cave And The Bad Seeds/08-Nick Cave And The Bad Seeds-Murder Ballads-Crow Jane.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  254
                                           'genre'  ifs-songwriter
                                        'filesize'  8150449
                                           'mtime'  1636400391
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 08 ifs songwriter
                                      'tag_artist'  Nick Cave And The Bad Seeds
                                     'tag_release'  Murder Ballads
                                       'tag_title'  Crow Jane
                                             'bpm'  125.782
                                    'search_title'  'crow':1 'jane':2
                                   'search_artist'  'and':3 'bad':5 'cave':2 'nick':1 'seeds':6 'the':4
                                  'search_release'  'ballads':2 'murder':1
                                     'search_rest'  '00singer':1 'eos':3 'ifs':4 'songwriter':2
                                    'search_combo'  '00singer':11 'and':5B 'bad':7B 'ballads':10C 'cave':4B 'crow':1A 'eos':13 'ifs':14 'jane':2A 'murder':9C 'nick':3B 'seeds':8B 'songwriter':12 'the':6B
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'alternative', 'post punk', 'singer songwriter', 'rock']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636400390.8800464  (2021-11-08 20:39:50)
                             'size'  8150449