======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '210'
                                          'artist'  'Five Iron Frenzy'
                                     'text_people'  ''
                                         'release'  'Electric Boogaloo Single'
                                           'title'  'Far Far Away'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-UNU-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['christian', 'ska punk', 'christian ska', 'ska', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-ska'
                                             'bpm'  '139.948'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Electric Boogaloo Single'
'TBPM' (BPM (beats per minute))                     '139.948'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-ska'
'TIT2' (Title/songname/content description)         'Far Far Away'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Five Iron Frenzy'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['christian', 'ska punk', 'christian ska', 'ska', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'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'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.73 dB'
'TXXX:replaygain_track_peak'                        '0.301958'

========================== row from database ==========================
                                              'id'  1304125
                                            'path'  /data/Music/Bulk/00poprockelectronic/Five Iron Frenzy/cifs69d8.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  210
                                           'genre'  loc-style-reggae or dub or ska or dancehall-ska
                                        'filesize'  4209696
                                           'mtime'  1620524524
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic cifs69d8 loc style reggae or dub or ska or dancehall ska
                                      'tag_artist'  Five Iron Frenzy
                                     'tag_release'  Electric Boogaloo Single
                                       'tag_title'  Far Far Away
                                             'bpm'  139.948
                                    'search_title'  'away':2 'far':1
                                   'search_artist'  'five':1 'frenzy':3 'iron':2
                                  'search_release'  'boogaloo':2 'electric':1 'single':3
                                     'search_rest'  '00poprockelectronic':1 'cifs69d8':2 'dancehall':9 'dub':7 'loc':3 'or':6 'reggae':5 'ska':8 'style':4
                                    'search_combo'  '00poprockelectronic':9 'away':2A 'boogaloo':7C 'cifs69d8':10 'dancehall':17 'dub':15 'electric':6C 'far':1A 'five':3B 'frenzy':5B 'iron':4B 'loc':11 'or':14 'reggae':13 'single':8C 'ska':16 'style':12
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['christian', 'ska punk', 'christian ska', 'ska', 'rock']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620524523.934691  (2021-05-09 03:42:03)
                             'size'  4209696