======================== unified (from filesystem) ========================
                                         'bitrate'  '164.663'
                                        'duration'  '187'
                                          'artist'  'The Beach Boys'
                                     'text_people'  ''
                                         'release'  'All summer long'
                                           'title'  'Help me Rhonda'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['surf', 'rock', 'pop', '60s', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '21'
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-pop-surf;rock-cppex'
                                             'bpm'  '137.7'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             '350BC515'
'TALB' (Album/Movie/Show title)                     'All summer long'
'TBPM' (BPM (beats per minute))                     '137.7'
'TCON' (Content type, a.k.a. Genre)                 ['rock-pop-surf', 'rock-cppex']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'Help me Rhonda'
'TKEY' (Initial key)                                '4B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Beach Boys'
'TRCK' (Track number/Position in set)               '2/21'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.92, VBR 3, Stereo, High quality'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['surf', 'rock', 'pop', '60s', 'classic rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.28 dB'
'TXXX:replaygain_track_peak'                        '0.706024'

========================== row from database ==========================
                                              'id'  1344081
                                            'path'  /data/Music/Bulk/00poprockelectronic/Beach Boys/All summer long/The Beach Boys - Help Me Rhonda.mp3
                                         'working'  None
                                         'bitrate'  164
                                    'duration_sec'  187
                                           'genre'  rock-pop-surf;rock-cppex
                                        'filesize'  3862982
                                           'mtime'  1636038713
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Me rock pop surf;rock cppex
                                      'tag_artist'  The Beach Boys
                                     'tag_release'  All summer long
                                       'tag_title'  Help me Rhonda
                                             'bpm'  137.7
                                    'search_title'  'help':1 'me':2 'rhonda':3
                                   'search_artist'  'beach':2 'boys':3 'the':1
                                  'search_release'  'all':1 'long':3 'summer':2
                                     'search_rest'  '00poprockelectronic':1 'cppex':9 'me':2 'pop':4 'rock':3,6,8 'surf':5,7
                                    'search_combo'  '00poprockelectronic':10 'all':7C 'beach':5B 'boys':6B 'cppex':18 'help':1A 'long':9C 'me':2A,11 'pop':13 'rhonda':3A 'rock':12,15,17 'summer':8C 'surf':14,16 'the':4B
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['surf', 'rock', 'pop', '60s', 'classic rock']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636038713.3752937  (2021-11-04 16:11:53)
                             'size'  3862982