======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '279'
                                          'artist'  'Peter Frampton'
                                     'text_people'  ''
                                         'release'  'top100'
                                           'title'  'Show me the way'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-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'  "['70s', 'guitar', 'melodic rock', 'rock', 'classic rock', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1975'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance;rock-cppex;ifs-songwriter-rock'
                                             'bpm'  '131.926'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'top100'
'TBPM' (BPM (beats per minute))                     '131.926'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-dance', 'rock-cppex', 'ifs-songwriter-rock']
'TDRC' (Recording time)                             '1975'
'TIT2' (Title/songname/content description)         'Show me the way'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Peter Frampton'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Mp3gain_minmax'                               '109,187'
'TXXX:Mp3gain_undo'                                 '+002,+002,N'
'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:Tracknum'                                     '093'
'TXXX:lastfmtags'                                   ['70s', 'guitar', 'melodic rock', 'rock', 'classic rock', 'singer songwriter']
'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'                        '-0.38 dB'
'TXXX:replaygain_track_peak'                        '0.708884'

========================== row from database ==========================
                                              'id'  1403133
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/top100/093-Peter_Frampton-Show_me_the_way.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  279
                                           'genre'  electronic-generic or radio-dance;rock-cppex;ifs-songwriter-rock
                                        'filesize'  4475103
                                           'mtime'  1642256312
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat 093 Peter_Frampton Show_me_the_way electronic generic or radio dance;rock cppex;ifs songwriter rock
                                      'tag_artist'  Peter Frampton
                                     'tag_release'  top100
                                       'tag_title'  Show me the way
                                             'bpm'  131.926
                                    'search_title'  'me':2 'show':1 'the':3 'way':4
                                   'search_artist'  'frampton':2 'peter':1
                                  'search_release'  'top100':1
                                     'search_rest'  '00poprockelectronic':1 'cppex':18,20 'dance':3,14,16 'electronic':11 'frampton':6 'generic':2 'ifs':19,21 'me':8 'or':12 'peter':5 'radio':13 'rock':15,17,23 'show':7 'songwriter':22 'the':9 'trapbeat':4 'way':10
                                    'search_combo'  '00poprockelectronic':8 'cppex':25,27 'dance':10,21,23 'electronic':18 'frampton':6B,13 'generic':9 'ifs':26,28 'me':2A,15 'or':19 'peter':5B,12 'radio':20 'rock':22,24,30 'show':1A,14 'songwriter':29 'the':3A,16 'top100':7C 'trapbeat':11 'way':4A,17
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-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'  ['70s', 'guitar', 'melodic rock', 'rock', 'classic rock', 'singer songwriter']
                                        'tag_date'  1975
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1642256311.7919242  (2022-01-15 15:18:31)
                             'size'  4475103