======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '395'
                                          'artist'  'Calyx'
                                     'text_people'  ''
                                         'release'  'Prototype - Dub'
                                           'title'  'Are you Ready'
                                           '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-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['neurofunk', 'dnb', 'drum n bass', 'techstep', 'drum and bass', 'electronic']"
                                     'discogstags'  "['electronic', 'drum n bass']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-th-breakbeat or dnb or jungle'
                                             'bpm'  '116.453'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Prototype - Dub'
'TBPM' (BPM (beats per minute))                     '116.453'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-breakbeat or dnb or jungle'
'TIT2' (Title/songname/content description)         'Are you Ready'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Calyx'
'TRCK' (Track number/Position in set)               '1'
'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', 'drum n bass']
'TXXX:lastfmtags'                                   ['neurofunk', 'dnb', 'drum n bass', 'techstep', 'drum and bass', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.10 dB'
'TXXX:replaygain_track_peak'                        '0.478874'

========================== row from database ==========================
                                              'id'  1293631
                                            'path'  /data/Music/Bulk/00poprockelectronic/00dnb/Calyx/Prototype - Dub__01 - Are you Ready.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  395
                                           'genre'  electronic-th-breakbeat or dnb or jungle
                                        'filesize'  15826305
                                           'mtime'  1621696438
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00dnb Dub__01 electronic th breakbeat or dnb or jungle
                                      'tag_artist'  Calyx
                                     'tag_release'  Prototype - Dub
                                       'tag_title'  Are you Ready
                                             'bpm'  116.453
                                    'search_title'  'are':1 'ready':3 'you':2
                                   'search_artist'  'calyx':1
                                  'search_release'  'dub':2 'prototype':1
                                     'search_rest'  '00dnb':2 '00poprockelectronic':1 '01':4 'breakbeat':7 'dnb':9 'dub':3 'electronic':5 'jungle':10 'or':8 'th':6
                                    'search_combo'  '00dnb':8 '00poprockelectronic':7 '01':10 'are':1A 'breakbeat':13 'calyx':4B 'dnb':15 'dub':6C,9 'electronic':11 'jungle':16 'or':14 'prototype':5C 'ready':3A 'th':12 'you':2A
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['neurofunk', 'dnb', 'drum n bass', 'techstep', 'drum and bass', 'electronic']
                                        'tag_date'  
                                     'discogstags'  ['electronic', 'drum n bass']

============================== file details ==============================
                                           'mtime'  1621696438.2474813  (2021-05-22 17:13:58)
                             'size'  15826305