======================== unified (from filesystem) ========================
                                         'bitrate'  '231.351'
                                        'duration'  '240'
                                          'artist'  'US3'
                                     'text_people'  ''
                                         'release'  "I Got It Goin' On"
                                           'title'  'Brand New Thing'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['jazz', 'acid jazz', 'electronic', 'hip hop', 'funk']"
                                     'discogstags'  "['jazz', 'hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '113.644'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "I Got It Goin' On"
'TBPM' (BPM (beats per minute))                     '113.644'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'Brand New Thing'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'US3'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['jazz', 'hip hop']
'TXXX:lastfmtags'                                   ['jazz', 'acid jazz', 'electronic', 'hip hop', 'funk']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.75 dB'
'TXXX:replaygain_track_peak'                        '0.996938'

========================== row from database ==========================
                                              'id'  1496922
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/US3/MBZ;#US3;#I Got It Goin_ On;#02;#Brand New Thing.mp3
                                         'working'  None
                                         'bitrate'  231
                                    'duration_sec'  240
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  6966722
                                           'mtime'  1636911075
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip MBZ;#US3;#I Goin_ On;#02;#Brand electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  US3
                                     'tag_release'  I Got It Goin' On
                                       'tag_title'  Brand New Thing
                                             'bpm'  113.644
                                    'search_title'  'brand':1 'new':2 'thing':3
                                   'search_artist'  'us3':1
                                  'search_release'  'goin':4,5 'got':2 'i':1 'it':3 'on':6
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 '02':11,14 'acid':21 'brand':12,15 'downtempo':20 'electronic':16 'goin':9 'hop':18 'i':5,8 'jazz':22 'mbz':3,6 'on':10,13 'or':19 'trip':17 'us3':4,7
                                    'search_combo'  '00poprockelectronic':11 '00trip':12 '02':21,24 'acid':31 'brand':1A,22,25 'downtempo':30 'electronic':26 'goin':8C,9C,19 'got':6C 'hop':28 'i':5C,15,18 'it':7C 'jazz':32 'mbz':13,16 'new':2A 'on':10C,20,23 'or':29 'thing':3A 'trip':27 'us3':4B,14,17
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-1', '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-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['jazz', 'acid jazz', 'electronic', 'hip hop', 'funk']
                                        'tag_date'  1994
                                     'discogstags'  ['jazz', 'hip hop']

============================== file details ==============================
                                           'mtime'  1636911074.691972  (2021-11-14 18:31:14)
                             'size'  6966722