======================== unified (from filesystem) ========================
                                         'bitrate'  '235.276'
                                        'duration'  '140'
                                          'artist'  'Cancer'
                                     'text_people'  ''
                                         'release'  'Return Of Flexi-Pop Vol.06'
                                           'title'  '00010'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['death metal', 'old school death metal', 'thrash metal', 'british', 'metal']"
                                     'discogstags'  "['techno', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '21'
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk-minimal wave'
                                             'bpm'  '92.6'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Return Of Flexi-Pop Vol.06'
'TBPM' (BPM (beats per minute))                     '92.6'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk-minimal wave'
'TDRC' (Recording time)                             '1985'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Sicherer Modus)'
'TIT2' (Title/songname/content description)         '00010'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Cancer'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '13/21'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['techno', 'electronic']
'TXXX:lastfmtags'                                   ['death metal', 'old school death metal', 'thrash metal', 'british', 'metal']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+2.87 dB'
'TXXX:replaygain_track_peak'                        '0.513298'

========================== row from database ==========================
                                              'id'  762497
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Return Of Flexi-Pop Vol. 06 (Flexi-Pop) [192-320kvbr]/13-cancer-00010.mp3
                                         'working'  None
                                         'bitrate'  235
                                    'duration_sec'  140
                                           'genre'  electronic-we-new wave or post punk-minimal wave
                                        'filesize'  4138651
                                           'mtime'  1620541820
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm (Flexi Pop) [192 320kvbr] 13 cancer electronic we new wave or post punk minimal wave
                                      'tag_artist'  Cancer
                                     'tag_release'  Return Of Flexi-Pop Vol.06
                                       'tag_title'  00010
                                             'bpm'  92.6
                                    'search_title'  
                                   'search_artist'  'cancer':1
                                  'search_release'  '06':7 'flexi':3 'flexipop':5 'of':2 'pop':4 'return':1 'vol':6 'vol06':8
                                     'search_rest'  '192':5,6 '320kvbr':7,8 'cancer':9 'electronic':10 'flexi':1,2 'minimal':17 'new':12 'or':14 'pop':3,4 'post':15 'punk':16 'wave':13 'we':11
                                    'search_combo'  '06':8C '192':14,15 '320kvbr':16,17 'cancer':1B,18 'electronic':19 'flexi':4C,10,11 'flexipop':6C 'minimal':26 'new':21 'of':3C 'or':23 'pop':5C,12,13 'post':24 'punk':25 'return':2C 'vol':7C 'vol06':9C 'wave':22 'we':20
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-2', 'q-bass-1', 'q-grit-3']
                                      'lastfmtags'  ['death metal', 'old school death metal', 'thrash metal', 'british', 'metal']
                                        'tag_date'  1985
                                     'discogstags'  ['techno', 'electronic']

============================== file details ==============================
                                           'mtime'  1620541820.3583553  (2021-05-09 08:30:20)
                             'size'  4138651