======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '166'
                                          'artist'  'U.S. Bombs'
                                     'text_people'  ''
                                         'release'  'Ska'
                                           'title'  'Jaks'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-2', 'Q-HHRNBTT-1', 'Q-UNU-2', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['street punk', 'skate punk', 'punk rock', 'punk', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-unsorted'
                                             'bpm'  '120.185'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Ska'
'TBPM' (BPM (beats per minute))                     '120.185'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-unsorted'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Jaks'
'TKEY' (Initial key)                                '2B'
'TPE1' (Lead performer(s)/Soloist(s))               'U.S. Bombs'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['street punk', 'skate punk', 'punk rock', 'punk', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.75 dB'
'TXXX:replaygain_track_peak'                        '0.439893'

========================== row from database ==========================
                                              'id'  1361002
                                            'path'  /data/Music/Bulk/00poprockelectronic/Hepcat records/U.S. Bombs - Jaks - 13.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  166
                                           'genre'  loc-style-reggae or dub or ska or dancehall-unsorted
                                        'filesize'  2663116
                                           'mtime'  1620524536
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Hepcat records 13 loc style reggae or dub or ska or dancehall unsorted
                                      'tag_artist'  U.S. Bombs
                                     'tag_release'  Ska
                                       'tag_title'  Jaks
                                             'bpm'  120.185
                                    'search_title'  'jaks':1
                                   'search_artist'  'bombs':4 's':2 'u':1 'us':3
                                  'search_release'  'ska':1
                                     'search_rest'  '00poprockelectronic':1 'dancehall':10 'dub':8 'hepcat':2 'loc':4 'or':7 'records':3 'reggae':6 'ska':9 'style':5 'unsorted':11
                                    'search_combo'  '00poprockelectronic':7 'bombs':5B 'dancehall':16 'dub':14 'hepcat':8 'jaks':1A 'loc':10 'or':13 'records':9 'reggae':12 's':3B 'ska':6C,15 'style':11 'u':2B 'unsorted':17 'us':4B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  2B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['street punk', 'skate punk', 'punk rock', 'punk', 'rock']
                                        'tag_date'  1999
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620524536.3261976  (2021-05-09 03:42:16)
                             'size'  2663116