======================== unified (from filesystem) ========================
                                         'bitrate'  '228.378'
                                        'duration'  '410'
                                          'artist'  'Black Sun Empire'
                                     'text_people'  ''
                                         'release'  'Cruel & Unusual LP'
                                           'title'  'The Cooler'
                                           '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-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['drum and bass', 'neurofunk', 'drum n bass', 'darkstep', 'dnb']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-th-breakbeat or dnb or jungle'
                                             'bpm'  '116.120'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Cruel & Unusual LP'
'TBPM' (BPM (beats per minute))                     '116.120'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-breakbeat or dnb or jungle'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'The Cooler'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Black Sun Empire'
'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'
'TXXX:lastfmtags'                                   ['drum and bass', 'neurofunk', 'drum n bass', 'darkstep', 'dnb']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.54 dB'
'TXXX:replaygain_track_peak'                        '0.598842'

========================== row from database ==========================
                                              'id'  1355236
                                            'path'  /data/Music/Bulk/00poprockelectronic/00dnb/Black Sun Empire/01-black_sun_empire-the_cooler.mp3
                                         'working'  None
                                         'bitrate'  228
                                    'duration_sec'  410
                                           'genre'  electronic-th-breakbeat or dnb or jungle
                                        'filesize'  11719269
                                           'mtime'  1621696427
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00dnb 01 black_sun_empire the_cooler electronic th breakbeat or dnb or jungle
                                      'tag_artist'  Black Sun Empire
                                     'tag_release'  Cruel & Unusual LP
                                       'tag_title'  The Cooler
                                             'bpm'  116.12
                                    'search_title'  'cooler':2 'the':1
                                   'search_artist'  'black':1 'empire':3 'sun':2
                                  'search_release'  'cruel':1 'lp':3 'unusual':2
                                     'search_rest'  '00dnb':2 '00poprockelectronic':1 'black':3 'breakbeat':10 'cooler':7 'dnb':12 'electronic':8 'empire':5 'jungle':13 'or':11 'sun':4 'th':9 'the':6
                                    'search_combo'  '00dnb':10 '00poprockelectronic':9 'black':3B,11 'breakbeat':18 'cooler':2A,15 'cruel':6C 'dnb':20 'electronic':16 'empire':5B,13 'jungle':21 'lp':8C 'or':19 'sun':4B,12 'th':17 'the':1A,14 'unusual':7C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  11A
                                           '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-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['drum and bass', 'neurofunk', 'drum n bass', 'darkstep', 'dnb']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696427.2319903  (2021-05-22 17:13:47)
                             'size'  11719269