======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '358'
                                          'artist'  'RAM Trilogy'
                                     'text_people'  ''
                                         'release'  'Screamer EP'
                                           'title'  'Screamer'
                                           '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-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'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'  '1'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-th-breakbeat or dnb or jungle'
                                             'bpm'  '117.195'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Screamer EP'
'TBPM' (BPM (beats per minute))                     '117.195'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-breakbeat or dnb or jungle'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'Screamer'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'RAM Trilogy'
'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'                                   ['drum and bass', 'drum n bass', 'jungle', 'electronic', 'dnb']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.04 dB'
'TXXX:replaygain_track_peak'                        '0.448160'

========================== row from database ==========================
                                              'id'  1366328
                                            'path'  /data/Music/Bulk/00poprockelectronic/00dnb/Ram Trilogy/ram trilogy - screamer/RAM Trilogy - Screamer (Screamer EP).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  358
                                           'genre'  electronic-th-breakbeat or dnb or jungle
                                        'filesize'  8615434
                                           'mtime'  1621696634
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00dnb Ram ram trilogy screamer (Screamer EP) electronic th breakbeat or dnb or jungle
                                      'tag_artist'  RAM Trilogy
                                     'tag_release'  Screamer EP
                                       'tag_title'  Screamer
                                             'bpm'  117.195
                                    'search_title'  'screamer':1
                                   'search_artist'  'ram':1 'trilogy':2
                                  'search_release'  'ep':2 'screamer':1
                                     'search_rest'  '00dnb':2 '00poprockelectronic':1 'breakbeat':11 'dnb':13 'electronic':9 'ep':7,8 'jungle':14 'or':12 'ram':3 'screamer':5,6 'th':10 'trilogy':4
                                    'search_combo'  '00dnb':7 '00poprockelectronic':6 'breakbeat':16 'dnb':18 'electronic':14 'ep':5C,12,13 'jungle':19 'or':17 'ram':2B,8 'screamer':1A,4C,10,11 'th':15 'trilogy':3B,9
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  7A
                                           '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-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['drum and bass', 'drum n bass', 'jungle', 'electronic', 'dnb']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic', 'drum n bass']

============================== file details ==============================
                                           'mtime'  1621696633.6057637  (2021-05-22 17:17:13)
                             'size'  8615434