======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '245'
                                          'artist'  'Veruca Salt'
                                     'text_people'  ''
                                         'release'  'For The Masses: An Album Of De'
                                           'title'  'Somebody'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative rock', 'grunge', 'alternative', 'female vocalists', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'rock-gr-grunge'
                                             'bpm'  '132.704'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'For The Masses: An Album Of De'
'TBPM' (BPM (beats per minute))                     '132.704'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-grunge'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Somebody'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Veruca Salt'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['alternative rock', 'grunge', 'alternative', 'female vocalists', 'rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.75 dB'
'TXXX:replaygain_track_peak'                        '0.595361'

========================== row from database ==========================
                                              'id'  1354733
                                            'path'  /data/Music/Bulk/00poprockelectronic/Veruca Salt/MBZ;#Veruca Salt;#For the Masses An Album of Depeche Mode Songs;#06;#Somebody.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  245
                                           'genre'  rock-gr-grunge
                                        'filesize'  4918368
                                           'mtime'  1636903172
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#Veruca Salt;#For the of Depeche Mode Songs;#06;#Somebody rock gr grunge
                                      'tag_artist'  Veruca Salt
                                     'tag_release'  For The Masses: An Album Of De
                                       'tag_title'  Somebody
                                             'bpm'  132.704
                                    'search_title'  'somebody':1
                                   'search_artist'  'salt':2 'veruca':1
                                  'search_release'  'album':6 'an':5 'de':8 'for':1 'masses':3,4 'of':7 'the':2
                                     'search_rest'  '00poprockelectronic':1 '06':15,18 'depeche':12 'for':7,9 'gr':21 'grunge':22 'mbz':2,4 'mode':13 'of':11 'rock':20 'salt':6,8 'somebody':16,19 'songs':14,17 'the':10 'veruca':3,5
                                    'search_combo'  '00poprockelectronic':12 '06':26,29 'album':9C 'an':8C 'de':11C 'depeche':23 'for':4C,18,20 'gr':32 'grunge':33 'masses':6C,7C 'mbz':13,15 'mode':24 'of':10C,22 'rock':31 'salt':3B,17,19 'somebody':1A,27,30 'songs':25,28 'the':5C,21 'veruca':2B,14,16
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-3']
                                      'lastfmtags'  ['alternative rock', 'grunge', 'alternative', 'female vocalists', 'rock']
                                        'tag_date'  1998
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1636903171.9718404  (2021-11-14 16:19:31)
                             'size'  4918368