======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '209'
                                          'artist'  'Huey Lewis and The News'
                                     'text_people'  ''
                                         'release'  'Hits of the 80s'
                                           'title'  'I Want A New Drug'
                                           'quals'  ("['Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'rock', 'classic rock', 'pop', 'pop-rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;set-pl-billboard'
                                             'bpm'  '110.302'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Hits of the 80s'
'TBPM' (BPM (beats per minute))                     '110.302'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted', 'set-pl-billboard']
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'I Want A New Drug'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Huey Lewis and The News'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['80s', 'rock', 'classic rock', 'pop', 'pop-rock']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.35 dB'
'TXXX:replaygain_track_peak'                        '0.679618'

========================== row from database ==========================
                                              'id'  1531448
                                            'path'  /data/Music/Bulk/00poprockelectronic/Hits Of The 80_s/Huey Lewis & The News - I Want A New Drug.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  209
                                           'genre'  electronic-generic or radio-unsorted;set-pl-billboard
                                        'filesize'  3359262
                                           'mtime'  1620385272
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Of 80_s & electronic generic or radio unsorted;set pl billboard
                                      'tag_artist'  Huey Lewis and The News
                                     'tag_release'  Hits of the 80s
                                       'tag_title'  I Want A New Drug
                                             'bpm'  110.302
                                    'search_title'  'a':3 'drug':5 'i':1 'new':4 'want':2
                                   'search_artist'  'and':3 'huey':1 'lewis':2 'news':5 'the':4
                                  'search_release'  '80s':4 'hits':1 'of':2 'the':3
                                     'search_rest'  '00poprockelectronic':1 '80':3 'billboard':14 'electronic':5 'generic':6 'of':2 'or':7 'pl':13 'radio':8 's':4 'set':10,12 'unsorted':9,11
                                    'search_combo'  '00poprockelectronic':15 '80':17 '80s':14C 'a':3A 'and':8B 'billboard':28 'drug':5A 'electronic':19 'generic':20 'hits':11C 'huey':6B 'i':1A 'lewis':7B 'new':4A 'news':10B 'of':12C,16 'or':21 'pl':27 'radio':22 's':18 'set':24,26 'the':9B,13C 'unsorted':23,25 'want':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'rock', 'classic rock', 'pop', 'pop-rock']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620385272.1515882  (2021-05-07 13:01:12)
                             'size'  3359262