======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '247'
                                          'artist'  'RAM Trilogy'
                                     'text_people'  ''
                                         'release'  'Ram Records - RAMM26CD'
                                           'title'  'Evolution (Edit Mix)'
                                           '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-4', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['drum and bass', 'drum n bass', 'jungle', 'electronic', 'dnb']"
                                     'discogstags'  "['electronic', 'drum n bass']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'electronic-th-breakbeat or dnb or jungle'
                                             'bpm'  '87.032'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Ram Records - RAMM26CD'
'TBPM' (BPM (beats per minute))                     '87.032'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-breakbeat or dnb or jungle'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Evolution (Edit Mix)'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'RAM Trilogy'
'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'                                   ['drum and bass', 'drum n bass', 'jungle', 'electronic', 'dnb']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.49 dB'
'TXXX:replaygain_track_peak'                        '0.566937'

========================== row from database ==========================
                                              'id'  1364161
                                            'path'  /data/Music/Bulk/00poprockelectronic/00dnb/Ram Trilogy/ram trilogy - evolution/Ram Trilogy - Evolution (Edit Mix).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  247
                                           'genre'  electronic-th-breakbeat or dnb or jungle
                                        'filesize'  5954424
                                           'mtime'  1621696628
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00dnb ram trilogy evolution electronic th breakbeat dnb jungle
                                      'tag_artist'  RAM Trilogy
                                     'tag_release'  Ram Records - RAMM26CD
                                       'tag_title'  Evolution (Edit Mix)
                                             'bpm'  87.032
                                    'search_title'  'edit':2,3 'evolution':1 'mix':4,5
                                   'search_artist'  'ram':1 'trilogy':2
                                  'search_release'  'ram':1 'ramm26cd':3 'records':2
                                     'search_rest'  '00dnb':2 '00poprockelectronic':1 'breakbeat':8 'dnb':9 'electronic':6 'evolution':5 'jungle':10 'ram':3 'th':7 'trilogy':4
                                    'search_combo'  '00dnb':12 '00poprockelectronic':11 'breakbeat':18 'dnb':19 'edit':2A,3A 'electronic':16 'evolution':1A,15 'jungle':20 'mix':4A,5A 'ram':6B,8C,13 'ramm26cd':10C 'records':9C 'th':17 'trilogy':7B,14
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['drum and bass', 'drum n bass', 'jungle', 'electronic', 'dnb']
                                        'tag_date'  1999
                                     'discogstags'  ['electronic', 'drum n bass']

============================== file details ==============================
                                           'mtime'  1621696628.2079203  (2021-05-22 17:17:08)
                             'size'  5954424