======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '171'
                                          'artist'  'Leaves'
                                     'text_people'  ''
                                         'release'  'original artyfacts from the first psychelic era, vol. 1'
                                           'title'  'Hey Joe'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-2', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['icelandic', 'indie rock', 'indie', 'iceland', 'rock', 'alternative']"
                                     'discogstags'  "['indie rock', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '16'
                                      'tracktotal'  '27'
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'rock-cppex-psychedelic;ifs-songwriter-indie-pop;rock-indie'
                                             'bpm'  '146.000'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'COMM:CDDB Disc ID:XXX'                             '9811F51B'
'COMM:ID3v1 Comment:XXX'                            '9811F51B'
'TALB' (Album/Movie/Show title)                     'original artyfacts from the first psychelic era, vol. 1'
'TBPM' (BPM (beats per minute))                     '146.000'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-psychedelic', 'ifs-songwriter-indie-pop', 'rock-indie']
'TDRC' (Recording time)                             '1965'
'TIT2' (Title/songname/content description)         'Hey Joe'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Leaves'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '16/27'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.80, LAME dll 3.89, 128 Kbit/s, Joint Stereo, Normal 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:discogstags'                                  ['indie rock', 'rock']
'TXXX:lastfmtags'                                   ['icelandic', 'indie rock', 'indie', 'iceland', 'rock', 'alternative']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.11 dB'
'TXXX:replaygain_track_peak'                        '0.358741'

========================== row from database ==========================
                                              'id'  1416344
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Sonics - Nuggets (sixties)/Nuggets (disc 1)/16 - Leaves - 16 - Hey Joe.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  171
                                           'genre'  rock-cppex-psychedelic;ifs-songwriter-indie-pop;rock-indie
                                        'filesize'  2744709
                                           'mtime'  1620736975
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy Sonics Nuggets (sixties) Nuggets (disc 1) 16 16 rock cppex psychedelic;ifs songwriter indie pop;rock indie
                                      'tag_artist'  Leaves
                                     'tag_release'  original artyfacts from the first psychelic era, vol. 1
                                       'tag_title'  Hey Joe
                                             'bpm'  146.0
                                    'search_title'  'hey':1 'joe':2
                                   'search_artist'  'leaves':1
                                  'search_release'  '1':11 'artyfacts':2 'era':7,8 'first':5 'from':3 'original':1 'psychelic':6 'the':4 'vol':9,10
                                     'search_rest'  '1':8,9 'classicprogpsy':1 'cppex':11 'disc':6,7 'ifs':13,15 'indie':17 'nuggets':3 'pop':18,20 'psychedelic':12,14 'rock':10,19,21 'sixties':4,5 'songwriter':16 'sonics':2
                                    'search_combo'  '1':14C,22,23 'artyfacts':5C 'classicprogpsy':15 'cppex':25 'disc':20,21 'era':10C,11C 'first':8C 'from':6C 'hey':1A 'ifs':27,29 'indie':31 'joe':2A 'leaves':3B 'nuggets':17 'original':4C 'pop':32,34 'psychedelic':26,28 'psychelic':9C 'rock':24,33,35 'sixties':18,19 'songwriter':30 'sonics':16 'the':7C 'vol':12C,13C
                                    'tag_tracknum'  16
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-1', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['icelandic', 'indie rock', 'indie', 'iceland', 'rock', 'alternative']
                                        'tag_date'  1965
                                     'discogstags'  ['indie rock', 'rock']

============================== file details ==============================
                                           'mtime'  1620736975.2608583  (2021-05-11 14:42:55)
                             'size'  2744709