======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '463'
                                          'artist'  'DJ Shadow'
                                     'text_people'  ''
                                         'release'  'Miscellaneous Tracks & Scratch'
                                           'title'  'Freestyle'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'electronic', 'trip hop', 'hip hop', 'turntablism']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '88.865'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Miscellaneous Tracks & Scratch'
'TBPM' (BPM (beats per minute))                     '88.865'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TIT2' (Title/songname/content description)         'Freestyle'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'DJ Shadow'
'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:lastfmtags'                                   ['electronica', 'electronic', 'trip hop', 'hip hop', 'turntablism']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.55 dB'
'TXXX:replaygain_track_peak'                        '0.602663'

========================== row from database ==========================
                                              'id'  1286907
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/DJ Shadow/MBZ;#DJ Shadow;#Miscellaneous Tracks & Scratches (Disc 2);#02;#Freestyle.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  463
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  7423430
                                           'mtime'  1636910406
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip MBZ;#DJ Shadow;#Miscellaneous Scratches (Disc 2);#02;#Freestyle electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  DJ Shadow
                                     'tag_release'  Miscellaneous Tracks & Scratch
                                       'tag_title'  Freestyle
                                             'bpm'  88.865
                                    'search_title'  'freestyle':1
                                   'search_artist'  'dj':1 'shadow':2
                                  'search_release'  'miscellaneous':1 'scratch':3 'tracks':2
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 '02':15,18 '2':14,17 'acid':25 'disc':12,13 'dj':4,6 'downtempo':24 'electronic':20 'freestyle':16,19 'hop':22 'jazz':26 'mbz':3,5 'miscellaneous':8,10 'or':23 'scratches':11 'shadow':7,9 'trip':21
                                    'search_combo'  '00poprockelectronic':7 '00trip':8 '02':21,24 '2':20,23 'acid':31 'disc':18,19 'dj':2B,10,12 'downtempo':30 'electronic':26 'freestyle':1A,22,25 'hop':28 'jazz':32 'mbz':9,11 'miscellaneous':4C,14,16 'or':29 'scratch':6C 'scratches':17 'shadow':3B,13,15 'tracks':5C 'trip':27
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electronic', 'trip hop', 'hip hop', 'turntablism']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636910405.6752691  (2021-11-14 18:20:05)
                             'size'  7423430