======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '213'
                                          'artist'  'Long Beach Dub Allstars'
                                     'text_people'  ''
                                         'release'  'Right Back'
                                           'title'  'Like A Dog'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-3', 'Q-UNU-2', 'Q-OLDST-2', 'Q-HHRNBTT-2', "
 "'Q-LOCALNESS-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['reggae', 'ska', 'dub', 'punk', 'hip-hop']"
                                     'discogstags'  "['hip hop', 'rock', 'reggae', 'pop', 'reggae', 'dub', 'punk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '00'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'loc-style-reggae or dub or ska or dancehall-ska'
                                             'bpm'  '124.545'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'PCNT' (Play counter)                               PCNT(count=0)
'TALB' (Album/Movie/Show title)                     'Right Back'
'TBPM' (BPM (beats per minute))                     '124.545'
'TCON' (Content type, a.k.a. Genre)                 'loc-style-reggae or dub or ska or dancehall-ska'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Like A Dog'
'TKEY' (Initial key)                                '11B'
'TLEN' (Length)                                     '213000'
'TPE1' (Lead performer(s)/Soloist(s))               'Long Beach Dub Allstars'
'TRCK' (Track number/Position in set)               '00'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['hip hop', 'rock', 'reggae', 'pop', 'reggae', 'dub', 'punk']
'TXXX:lastfmtags'                                   ['reggae', 'ska', 'dub', 'punk', 'hip-hop']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.47 dB'
'TXXX:replaygain_track_peak'                        '0.563126'

========================== row from database ==========================
                                              'id'  1357116
                                            'path'  /data/Music/Bulk/00poprockelectronic/Long Beach Dub Allstars/right back/long beach dub allstars - 07 -  like a dog.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  213
                                           'genre'  loc-style-reggae or dub or ska or dancehall-ska
                                        'filesize'  3420051
                                           'mtime'  1620524655
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic right back long beach dub allstars 07 like dog loc style reggae or dub or ska or dancehall ska
                                      'tag_artist'  Long Beach Dub Allstars
                                     'tag_release'  Right Back
                                       'tag_title'  Like A Dog
                                             'bpm'  124.545
                                    'search_title'  'a':2 'dog':3 'like':1
                                   'search_artist'  'allstars':4 'beach':2 'dub':3 'long':1
                                  'search_release'  'back':2 'right':1
                                     'search_rest'  '00poprockelectronic':1 'allstars':7 'back':3 'beach':5 'dancehall':15 'dog':9 'dub':6 'like':8 'loc':10 'long':4 'or':13 'reggae':12 'right':2 'ska':14 'style':11
                                    'search_combo'  '00poprockelectronic':10 'a':2A 'allstars':7B,16 'back':9C,12 'beach':5B,14 'dancehall':24 'dog':3A,18 'dub':6B,15 'like':1A,17 'loc':19 'long':4B,13 'or':22 'reggae':21 'right':8C,11 'ska':23 'style':20
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-2', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['reggae', 'ska', 'dub', 'punk', 'hip-hop']
                                        'tag_date'  1999
                                     'discogstags'  ['hip hop', 'rock', 'reggae', 'pop', 'reggae', 'dub', 'punk']

============================== file details ==============================
                                           'mtime'  1620524655.0802336  (2021-05-09 03:44:15)
                             'size'  3420051