======================== unified (from filesystem) ========================
                                         'bitrate'  '231.315'
                                        'duration'  '260'
                                          'artist'  'Tanzwut'
                                     'text_people'  ''
                                         'release'  'Schattenreiter (disc 1)'
                                           'title'  'Dein zweites Gesicht'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['german', 'folk metal', 'industrial', 'medieval', 'mittelalter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'eid-metal-folk'
                                             'bpm'  '85.273'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Schattenreiter (disc 1)'
'TBPM' (BPM (beats per minute))                     '85.273'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-folk'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Dein zweites Gesicht'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tanzwut'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['german', 'folk metal', 'industrial', 'medieval', 'mittelalter']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.82 dB'
'TXXX:replaygain_track_peak'                        '0.293986'

========================== row from database ==========================
                                              'id'  1396728
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Tanzwut/105_tanzwut-dein_zweites_gesicht-fwyh.mp3
                                         'working'  None
                                         'bitrate'  231
                                    'duration_sec'  260
                                           'genre'  eid-metal-folk
                                        'filesize'  7533127
                                           'mtime'  1620301736
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 105_tanzwut dein_zweites_gesicht fwyh eid metal folk
                                      'tag_artist'  Tanzwut
                                     'tag_release'  Schattenreiter (disc 1)
                                       'tag_title'  Dein zweites Gesicht
                                             'bpm'  85.273
                                    'search_title'  'dein':1 'gesicht':3 'zweites':2
                                   'search_artist'  'tanzwut':1
                                  'search_release'  '1':4,5 'disc':2,3 'schattenreiter':1
                                     'search_rest'  '00dwimp':1 '00metal':2 '105':3 'dein':5 'eid':9 'folk':11 'fwyh':8 'gesicht':7 'metal':10 'tanzwut':4 'zweites':6
                                    'search_combo'  '00dwimp':10 '00metal':11 '1':8C,9C '105':12 'dein':1A,14 'disc':6C,7C 'eid':18 'folk':20 'fwyh':17 'gesicht':3A,16 'metal':19 'schattenreiter':5C 'tanzwut':4B,13 'zweites':2A,15
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['german', 'folk metal', 'industrial', 'medieval', 'mittelalter']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620301735.618071  (2021-05-06 13:48:55)
                             'size'  7533127