======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '174'
                                          'artist'  'Long Beach Dub All Stars'
                                     'text_people'  ''
                                         'release'  'Right Back'
                                           'title'  'Righteous Dub'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-HHRNBTT-3', 'Q-OLDST-3', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['reggae', 'dub', 'ska', 'punk', 'hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-ska'
                                             'bpm'  '102.489'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Right Back'
'TBPM' (BPM (beats per minute))                     '102.489'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-ska'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Righteous Dub'
'TKEY' (Initial key)                                '1A'
'TLEN' (Length)                                     '174706'
'TMED' (Media type)                                 'DIG'
'TPE1' (Lead performer(s)/Soloist(s))               'Long Beach Dub All Stars'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['reggae', 'dub', 'ska', 'punk', 'hip hop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                        '-0.01 dB'
'TXXX:replaygain_track_peak'                        '0.607989'

========================== row from database ==========================
                                              'id'  1355520
                                            'path'  /data/Music/Bulk/00poprockelectronic/Long Beach Dub Allstars/right back/long beach dub allstars - 01 -  righteous dub.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  174
                                           'genre'  loc-style-reggae or dub or ska or dancehall-ska
                                        'filesize'  3495808
                                           'mtime'  1620524644
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Allstars right back long beach dub allstars 01 righteous dub loc style reggae or dub or ska or dancehall ska
                                      'tag_artist'  Long Beach Dub All Stars
                                     'tag_release'  Right Back
                                       'tag_title'  Righteous Dub
                                             'bpm'  102.489
                                    'search_title'  'dub':2 'righteous':1
                                   'search_artist'  'all':4 'beach':2 'dub':3 'long':1 'stars':5
                                  'search_release'  'back':2 'right':1
                                     'search_rest'  '00poprockelectronic':1 'allstars':2 'back':4 'beach':6 'dancehall':14 'dub':7 'loc':9 'long':5 'or':12 'reggae':11 'right':3 'righteous':8 'ska':13 'style':10
                                    'search_combo'  '00poprockelectronic':10 'all':6B 'allstars':11 'back':9C,13 'beach':4B,15 'dancehall':23 'dub':2A,5B,16 'loc':18 'long':3B,14 'or':21 'reggae':20 'right':8C,12 'righteous':1A,17 'ska':22 'stars':7B 'style':19
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-1', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['reggae', 'dub', 'ska', 'punk', 'hip hop']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620524643.9278603  (2021-05-09 03:44:03)
                             'size'  3495808