======================== unified (from filesystem) ========================
                                         'bitrate'  '184.353'
                                        'duration'  '180'
                                          'artist'  'Plastician'
                                     'text_people'  ''
                                         'release'  'Rinse 06: Mixed by Plastician'
                                           'title'  'Flying Dagger'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'Q-HHRNBTT-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronic', 'dub', 'grime', 'dubstep', 'uk']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '145.895'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Rinse 06: Mixed by Plastician'
'TBPM' (BPM (beats per minute))                     '145.895'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Flying Dagger'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Plastician'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronic', 'dub', 'grime', 'dubstep', 'uk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.00 dB'
'TXXX:replaygain_track_peak'                        '0.524517'

========================== row from database ==========================
                                              'id'  1335971
                                            'path'  /data/Music/Bulk/00poprockelectronic/Rinse 06; Mixed by Plastician/01 Plastician - Flying Dagger.mp3
                                         'working'  None
                                         'bitrate'  184
                                    'duration_sec'  180
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  4167203
                                           'mtime'  1620571878
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 06; 01 hip hop or rnb or rap or turntablism
                                      'tag_artist'  Plastician
                                     'tag_release'  Rinse 06: Mixed by Plastician
                                       'tag_title'  Flying Dagger
                                             'bpm'  145.895
                                    'search_title'  'dagger':2 'flying':1
                                   'search_artist'  'plastician':1
                                  'search_release'  '06':2,3 'by':5 'mixed':4 'plastician':6 'rinse':1
                                     'search_rest'  '00poprockelectronic':1 '06':2,3 'hip':4 'hop':5 'or':6 'rap':8 'rnb':7 'turntablism':9
                                    'search_combo'  '00poprockelectronic':10 '06':5C,6C,11,12 'by':8C 'dagger':2A 'flying':1A 'hip':13 'hop':14 'mixed':7C 'or':15 'plastician':3B,9C 'rap':17 'rinse':4C 'rnb':16 'turntablism':18
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', '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-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronic', 'dub', 'grime', 'dubstep', 'uk']
                                        'tag_date'  2008
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620571877.927117  (2021-05-09 16:51:17)
                             'size'  4167203