======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '331'
                                          'artist'  'Culture Cruncher'
                                     'text_people'  ''
                                         'release'  'Noodles Discotheque Vol.2 (NOOL„\x14'
                                           'title'  'Living In A Disco'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'Q-LOCALNESS-1', 'q-syn-4', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'q-play-2', 'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', "
 "'q-vocals-2']")
                                      'lastfmtags'  "['electronic', 'mash-up', 'noodles discotheque', 'si begg']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '113.8'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:eng'                            'http://stream.unrule.com:60000ào\x12'
'TALB' (Album/Movie/Show title)                     'Noodles Discotheque Vol.2 (NOOL„\x14'
'TBPM' (BPM (beats per minute))                     '113.8'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Living In A Disco'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Culture Cruncher'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronic', 'mash-up', 'noodles discotheque', 'si begg']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.38 dB'
'TXXX:replaygain_track_peak'                        '0.590242'

========================== row from database ==========================
                                              'id'  1373528
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/A4 - Si Begg - [noodj 002] noodles discotheque vol. 2/a_2-culture_cruncher_-_living_in_a_disco.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  331
                                           'genre'  electronic-th-techno
                                        'filesize'  7960852
                                           'mtime'  1639842796
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats A4 Si Begg [noodj 002] noodles discotheque vol. a_2 culture_cruncher_ _living_in_a_disco electronic techno
                                      'tag_artist'  Culture Cruncher
                                     'tag_release'  Noodles Discotheque Vol.2 (NOOL„
                                       'tag_title'  Living In A Disco
                                             'bpm'  113.8
                                    'search_title'  'a':3 'disco':4 'in':2 'living':1
                                   'search_artist'  'cruncher':2 'culture':1
                                  'search_release'  '2':4 'discotheque':2 'noodles':1 'nool':6,7 'vol':3 'vol2':5
                                     'search_rest'  '002':11,12 '00poprockelectronic':1 '00techno':2 '2':18 'a':17,23 'a4':6 'beats':5 'begg':8 'cruncher':20 'culture':19 'disco':24 'discotheque':14 'electronic':25 'harder':4 'house':3 'in':22 'living':21 'noodj':9,10 'noodles':13 'si':7 'techno':26 'vol':15,16
                                    'search_combo'  '002':24,25 '00poprockelectronic':14 '00techno':15 '2':10C,31 'a':3A,30,36 'a4':19 'beats':18 'begg':21 'cruncher':6B,33 'culture':5B,32 'disco':4A,37 'discotheque':8C,27 'electronic':38 'harder':17 'house':16 'in':2A,35 'living':1A,34 'noodj':22,23 'noodles':7C,26 'nool':12C,13C 'si':20 'techno':39 'vol':9C,28,29 'vol2':11C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'mash-up', 'noodles discotheque', 'si begg']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1639842796.233406  (2021-12-18 16:53:16)
                             'size'  7960852