======================== unified (from filesystem) ========================
                                         'bitrate'  '220.421'
                                        'duration'  '322'
                                          'artist'  'Calyx and DJ Kontrol'
                                     'text_people'  ''
                                         'release'  'Thunderous Audio (TDR001)'
                                           'title'  'Set Me Free'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'q-syn-3', 'q-bass-4', 'q-busy-3', "
 "'q-grit-2', 'q-play-3', 'Q-OLDST-3', 'q-chart-2', 'q-drums-3', 'q-other-2', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-3', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['drum and bass', 'neurofunk', 'uk', 'jungle', 'british']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '85.670'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Thunderous Audio (TDR001)'
'TBPM' (BPM (beats per minute))                     '85.670'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Set Me Free'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Calyx and DJ Kontrol'
'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:lastfmtags'                                   ['drum and bass', 'neurofunk', 'uk', 'jungle', 'british']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-2.21 dB'
'TXXX:replaygain_track_peak'                        '0.705733'

========================== row from database ==========================
                                              'id'  1407865
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/drumandbass/Calyx & Dj Kontrol - Set Me Free.mp3
                                         'working'  None
                                         'bitrate'  220
                                    'duration_sec'  322
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  8887191
                                           'mtime'  1621697672
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat drumandbass & Dj electronic generic or radio dance
                                      'tag_artist'  Calyx and DJ Kontrol
                                     'tag_release'  Thunderous Audio (TDR001)
                                       'tag_title'  Set Me Free
                                             'bpm'  85.67
                                    'search_title'  'free':3 'me':2 'set':1
                                   'search_artist'  'and':2 'calyx':1 'dj':3 'kontrol':4
                                  'search_release'  'audio':2 'tdr001':3,4 'thunderous':1
                                     'search_rest'  '00poprockelectronic':1 'dance':3 'dj':6 'drumandbass':5 'electronic':7 'generic':2 'or':8 'radio':9 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':12 'and':5B 'audio':9C 'calyx':4B 'dance':14 'dj':6B,17 'drumandbass':16 'electronic':18 'free':3A 'generic':13 'kontrol':7B 'me':2A 'or':19 'radio':20 'set':1A 'tdr001':10C,11C 'thunderous':8C 'trapbeat':15
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', '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-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['drum and bass', 'neurofunk', 'uk', 'jungle', 'british']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621697671.964253  (2021-05-22 17:34:31)
                             'size'  8887191