======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '214'
                                          'artist'  "Chef'Special"
                                     'text_people'  ''
                                         'release'  'Download-Single'
                                           'title'  'In Your Arms'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-3', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'q-syn-2', "
 "'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', "
 "'q-other-2', 'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-3']")
                                      'lastfmtags'  "['funk', 'rock', 'ska', 'reggae', 'rap']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2014'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '92.9'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Download-Single'
'TBPM' (BPM (beats per minute))                     '92.9'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2014'
'TIT2' (Title/songname/content description)         'In Your Arms'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               "Chef'Special"
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['funk', 'rock', 'ska', 'reggae', 'rap']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.87 dB'
'TXXX:replaygain_track_peak'                        '0.590677'

========================== row from database ==========================
                                              'id'  1502281
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Chef_Special - In Your Arms.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  214
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  5143344
                                           'mtime'  1620572755
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Chef_Special hip hop or rnb or rap or turntablism
                                      'tag_artist'  Chef'Special
                                     'tag_release'  Download-Single
                                       'tag_title'  In Your Arms
                                             'bpm'  92.9
                                    'search_title'  'arms':3 'in':1 'your':2
                                   'search_artist'  'chef':1 'chefspecial':3 'special':2
                                  'search_release'  'download':1 'downloadsingle':3 'single':2
                                     'search_rest'  '00poprockelectronic':1 'chef':7 'files':5,6 'hip':9 'hop':10 'loose':3,4 'or':11 'rap':13 'rnb':12 'special':8 'turntablism':14 'unsorted':2
                                    'search_combo'  '00poprockelectronic':10 'arms':3A 'chef':4B,16 'chefspecial':6B 'download':7C 'downloadsingle':9C 'files':14,15 'hip':18 'hop':19 'in':1A 'loose':12,13 'or':20 'rap':22 'rnb':21 'single':8C 'special':5B,17 'turntablism':23 'unsorted':11 'your':2A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['funk', 'rock', 'ska', 'reggae', 'rap']
                                        'tag_date'  2014
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620572755.1979046  (2021-05-09 17:05:55)
                             'size'  5143344