======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '290'
                                          'artist'  'Beborn Beton'
                                     'text_people'  ''
                                         'release'  'Rückkehr zum Eisplaneten'
                                           'title'  'Eisplanet (Arctic Cold Remix)'
                                           'quals'  ("['Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['industrial', 'ebm', 'futurepop', 'electronic', 'synthpop']"
                                     'discogstags'  "['electronic', 'synth-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'eid-ebm or industrial or darkwave-futurepop'
                                             'bpm'  '128.658'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Rückkehr zum Eisplaneten'
'TBPM' (BPM (beats per minute))                     '128.658'
'TCON' (Content type, a.k.a. Genre)                 'eid-ebm or industrial or darkwave-futurepop'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Eisplanet (Arctic Cold Remix)'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Beborn Beton'
'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'                                  ['electronic', 'synth-pop']
'TXXX:lastfmtags'                                   ['industrial', 'ebm', 'futurepop', 'electronic', 'synthpop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.13 dB'
'TXXX:replaygain_track_peak'                        '0.505895'

========================== row from database ==========================
                                              'id'  1399900
                                            'path'  /data/Music/Bulk/00dwimp/00ebm-industrial-darkwave-goth/Beborn Beton/2000 - Ruckkehr zum Eisplaneten/www.CDonPC.ru - 14 - Eisplanet (arctic cold remix).mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  290
                                           'genre'  eid-ebm or industrial or darkwave-futurepop
                                        'filesize'  9290668
                                           'mtime'  1620296583
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00ebm industrial darkwave goth 2000 Ruckkehr www.CDonPC.ru 14 (arctic cold remix) eid ebm industrial darkwave futurepop
                                      'tag_artist'  Beborn Beton
                                     'tag_release'  Rückkehr zum Eisplaneten
                                       'tag_title'  Eisplanet (Arctic Cold Remix)
                                             'bpm'  128.658
                                    'search_title'  'arctic':2,3 'cold':4 'eisplanet':1 'remix':5,6
                                   'search_artist'  'beborn':1 'beton':2
                                  'search_release'  'eisplaneten':4 'ruckkehr':1,2 'zum':3
                                     'search_rest'  '00dwimp':1 '00ebm':2 '2000':6 'arctic':12,13 'cdon':21 'cdonpc':9 'cold':14 'darkwave':4 'ebm':18 'eid':17 'futurepop':19 'goth':5 'industrial':3 'pc':23 'pcru':25 'remix':15,16 'ru':10,24 'ruckkehr':7 'www':8,20 'wwwcdon':22 'wwwcdonpcru':11
                                    'search_combo'  '00dwimp':13 '00ebm':14 '2000':18 'arctic':2A,3A,24,25 'beborn':7B 'beton':8B 'cdon':33 'cdonpc':21 'cold':4A,26 'darkwave':16 'ebm':30 'eid':29 'eisplanet':1A 'eisplaneten':12C 'futurepop':31 'goth':17 'industrial':15 'pc':35 'pcru':37 'remix':5A,6A,27,28 'ru':22,36 'ruckkehr':9C,10C,19 'www':20,32 'wwwcdon':34 'wwwcdonpcru':23 'zum':11C
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['industrial', 'ebm', 'futurepop', 'electronic', 'synthpop']
                                        'tag_date'  2000
                                     'discogstags'  ['electronic', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1620296583.1893423  (2021-05-06 12:23:03)
                             'size'  9290668