======================== unified (from filesystem) ========================
                                         'bitrate'  '216.631'
                                        'duration'  '312'
                                          'artist'  'London Elektricity'
                                     'text_people'  ''
                                         'release'  'Power Ballads'
                                           'title'  'Main Ingredient (SKC Remix)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['drum and bass', 'dnb', 'electronic', 'drum n bass', 'liquid funk']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-th-breakbeat or dnb or jungle'
                                             'bpm'  '115.722'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Power Ballads'
'TBPM' (BPM (beats per minute))                     '115.722'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-breakbeat or dnb or jungle'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Main Ingredient (SKC Remix)'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'London Elektricity'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['drum and bass', 'dnb', 'electronic', 'drum n bass', 'liquid funk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.88 dB'
'TXXX:replaygain_track_peak'                        '0.562423'

========================== row from database ==========================
                                              'id'  1300220
                                            'path'  /data/Music/Bulk/00poprockelectronic/00dnb/London Elektricity/f-london_elektricity-main_ingredient_(skc_remix)-sour.mp3
                                         'working'  None
                                         'bitrate'  216
                                    'duration_sec'  312
                                           'genre'  electronic-th-breakbeat or dnb or jungle
                                        'filesize'  8461818
                                           'mtime'  1621696580
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00dnb f london_elektricity main_ingredient_(skc_remix) sour electronic th breakbeat or dnb or jungle
                                      'tag_artist'  London Elektricity
                                     'tag_release'  Power Ballads
                                       'tag_title'  Main Ingredient (SKC Remix)
                                             'bpm'  115.722
                                    'search_title'  'ingredient':2 'main':1 'remix':5,6 'skc':3,4
                                   'search_artist'  'elektricity':2 'london':1
                                  'search_release'  'ballads':2 'power':1
                                     'search_rest'  '00dnb':2 '00poprockelectronic':1 'breakbeat':17 'dnb':19 'electronic':15 'elektricity':5 'f':3 'ingredient':7,11 'jungle':20 'london':4 'main':6,10 'or':18 'remix':9,13 'skc':8,12 'sour':14 'th':16
                                    'search_combo'  '00dnb':12 '00poprockelectronic':11 'ballads':10C 'breakbeat':27 'dnb':29 'electronic':25 'elektricity':8B,15 'f':13 'ingredient':2A,17,21 'jungle':30 'london':7B,14 'main':1A,16,20 'or':28 'power':9C 'remix':5A,6A,19,23 'skc':3A,4A,18,22 'sour':24 'th':26
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['drum and bass', 'dnb', 'electronic', 'drum n bass', 'liquid funk']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696579.7808738  (2021-05-22 17:16:19)
                             'size'  8461818