======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '212'
                                          'artist'  'MAROON 5'
                                     'text_people'  ''
                                         'release'  'HITZONE 55'
                                           'title'  'MISERY'
                                           'quals'  ("['Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-3']")
                                      'lastfmtags'  "['alternative rock', 'alternative', 'pop rock', 'pop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '103.062'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'HITZONE 55'
'TBPM' (BPM (beats per minute))                     '103.062'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '2010'
'TIT2' (Title/songname/content description)         'MISERY'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'MAROON 5'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['alternative rock', 'alternative', 'pop rock', 'pop', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.43 dB'
'TXXX:replaygain_track_peak'                        '0.519391'

========================== row from database ==========================
                                              'id'  1333998
                                            'path'  /data/Music/Bulk/00poprockelectronic/set/01. maroon 5 - misery.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  212
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  8490923
                                           'mtime'  1620573835
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic set 01. maroon misery electronic generic or radio dance
                                      'tag_artist'  MAROON 5
                                     'tag_release'  HITZONE 55
                                       'tag_title'  MISERY
                                             'bpm'  103.062
                                    'search_title'  'misery':1
                                   'search_artist'  '5':2 'maroon':1
                                  'search_release'  '55':2 'hitzone':1
                                     'search_rest'  '00poprockelectronic':1 '01':3,4 'dance':11 'electronic':7 'generic':8 'maroon':5 'misery':6 'or':9 'radio':10 'set':2
                                    'search_combo'  '00poprockelectronic':6 '01':8,9 '5':3B '55':5C 'dance':16 'electronic':12 'generic':13 'hitzone':4C 'maroon':2B,10 'misery':1A,11 'or':14 'radio':15 'set':7
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'alternative', 'pop rock', 'pop', 'rock']
                                        'tag_date'  2010
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620573835.3602026  (2021-05-09 17:23:55)
                             'size'  8490923