======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '168'
                                          'artist'  'Excrementory Grindfuckers'
                                     'text_people'  ''
                                         'release'  'Live in Bad Salzungen'
                                           'title'  'Kraft zum Leben / Kuhglocke'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-4', 'q-grit-4', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['grindcore', 'german', 'funcore', 'metal', 'grind', 'parody']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  '20'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'eid-noise-grindcore;set-th-novelty'
                                             'bpm'  '115.5'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             '090B7814'
'TALB' (Album/Movie/Show title)                     'Live in Bad Salzungen'
'TBPM' (BPM (beats per minute))                     '115.5'
'TCON' (Content type, a.k.a. Genre)                 ['eid-noise-grindcore', 'set-th-novelty']
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Kraft zum Leben / Kuhglocke'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Excrementory Grindfuckers'
'TRCK' (Track number/Position in set)               '9/20'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.96, 128 Kbit/s, Stereo, High quality'
'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:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['grindcore', 'german', 'funcore', 'metal', 'grind', 'parody']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.98 dB'
'TXXX:replaygain_track_peak'                        '0.370409'

========================== row from database ==========================
                                              'id'  1297910
                                            'path'  /data/Music/Bulk/00poprockelectronic/Excrementory Grindfuckers/Live in Bad Salzungen/excrementory_kraftzumlebenlive.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  168
                                           'genre'  eid-noise-grindcore;set-th-novelty
                                        'filesize'  2691163
                                           'mtime'  1620311533
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic excrementory_kraftzumlebenlive eid noise grindcore;set th novelty
                                      'tag_artist'  Excrementory Grindfuckers
                                     'tag_release'  Live in Bad Salzungen
                                       'tag_title'  Kraft zum Leben / Kuhglocke
                                             'bpm'  115.5
                                    'search_title'  'kraft':1 'kuhglocke':4 'leben':3 'zum':2
                                   'search_artist'  'excrementory':1 'grindfuckers':2
                                  'search_release'  'bad':3 'in':2 'live':1 'salzungen':4
                                     'search_rest'  '00poprockelectronic':1 'eid':4 'excrementory':2 'grindcore':6,8 'kraftzumlebenlive':3 'noise':5 'novelty':11 'set':7,9 'th':10
                                    'search_combo'  '00poprockelectronic':11 'bad':9C 'eid':14 'excrementory':5B,12 'grindcore':16,18 'grindfuckers':6B 'in':8C 'kraft':1A 'kraftzumlebenlive':13 'kuhglocke':4A 'leben':3A 'live':7C 'noise':15 'novelty':21 'salzungen':10C 'set':17,19 'th':20 'zum':2A
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-2', 'q-grit-4']
                                      'lastfmtags'  ['grindcore', 'german', 'funcore', 'metal', 'grind', 'parody']
                                        'tag_date'  2004
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620311533.2746718  (2021-05-06 16:32:13)
                             'size'  2691163