======================== unified (from filesystem) ========================
                                         'bitrate'  '255.842'
                                        'duration'  '260'
                                          'artist'  'Panzer AG'
                                     'text_people'  ''
                                         'release'  'This is my Battlefield'
                                           'title'  'Pure Tension'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['ebm', 'aggrotech', 'industrial', 'dark electro', 'electronic']"
                                     'discogstags'  "['industrial', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave'
                                             'bpm'  '84.000'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Lbl Accession Rec. C:A071'
'TALB' (Album/Movie/Show title)                     'This is my Battlefield'
'TBPM' (BPM (beats per minute))                     '84.000'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Pure Tension'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Panzer AG'
'TRCK' (Track number/Position in set)               '14'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['industrial', 'electronic']
'TXXX:lastfmtags'                                   ['ebm', 'aggrotech', 'industrial', 'dark electro', 'electronic']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.64 dB'
'TXXX:replaygain_track_peak'                        '0.441560'

========================== row from database ==========================
                                              'id'  1392313
                                            'path'  /data/Music/Bulk/00dwimp/00ebm-industrial-darkwave-goth/Panzer AG/This Is My Battlefield/14_panzer_ag-pure_tension-fwyh.mp3
                                         'working'  None
                                         'bitrate'  255
                                    'duration_sec'  260
                                           'genre'  eid-ebm or industrial or darkwave
                                        'filesize'  8347044
                                           'mtime'  1620296048
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00ebm industrial darkwave goth Is My 14_panzer_ag pure_tension fwyh eid ebm or industrial or darkwave
                                      'tag_artist'  Panzer AG
                                     'tag_release'  This is my Battlefield
                                       'tag_title'  Pure Tension
                                             'bpm'  84.0
                                    'search_title'  'pure':1 'tension':2
                                   'search_artist'  'ag':2 'panzer':1
                                  'search_release'  'battlefield':4 'is':2 'my':3 'this':1
                                     'search_rest'  '00dwimp':1 '00ebm':2 '14':8 'ag':10 'darkwave':4 'ebm':15 'eid':14 'fwyh':13 'goth':5 'industrial':3 'is':6 'my':7 'or':16 'panzer':9 'pure':11 'tension':12
                                    'search_combo'  '00dwimp':9 '00ebm':10 '14':16 'ag':4B,18 'battlefield':8C 'darkwave':12 'ebm':23 'eid':22 'fwyh':21 'goth':13 'industrial':11 'is':6C,14 'my':7C,15 'or':24 'panzer':3B,17 'pure':1A,19 'tension':2A,20 'this':5C
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-1', 'q-bass-2', 'q-grit-3']
                                      'lastfmtags'  ['ebm', 'aggrotech', 'industrial', 'dark electro', 'electronic']
                                        'tag_date'  2004
                                     'discogstags'  ['industrial', 'electronic']

============================== file details ==============================
                                           'mtime'  1620296048.133578  (2021-05-06 12:14:08)
                             'size'  8347044