======================== unified (from filesystem) ========================
                                         'bitrate'  '180.143'
                                        'duration'  '176'
                                          'artist'  'Isosceles'
                                     'text_people'  ''
                                         'release'  'Kitch Bitch CDS'
                                           'title'  'Watertight'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'q-syn-2', "
 "'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', "
 "'q-other-1', 'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'canadian', 'rap', 'hip-hop', 'emo']"
                                     'discogstags'  "['hip hop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '127.444'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Support The Artists - Buy It'
'TALB' (Album/Movie/Show title)                     'Kitch Bitch CDS'
'TBPM' (BPM (beats per minute))                     '127.444'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Watertight'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Isosceles'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'hip hop'
'TXXX:lastfmtags'                                   ['indie', 'canadian', 'rap', 'hip-hop', 'emo']
'TXXX:q-bass'                                       '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.37 dB'
'TXXX:replaygain_track_peak'                        '0.521214'

========================== row from database ==========================
                                              'id'  1361119
                                            'path'  /data/Music/Bulk/00poprockelectronic/B-Sides/0410 Isosceles - Watertight (B).mp3
                                         'working'  None
                                         'bitrate'  180
                                    'duration_sec'  176
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  3983237
                                           'mtime'  1620567528
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Sides 0410 (B) hip hop or rnb or rap or turntablism
                                      'tag_artist'  Isosceles
                                     'tag_release'  Kitch Bitch CDS
                                       'tag_title'  Watertight
                                             'bpm'  127.444
                                    'search_title'  'watertight':1
                                   'search_artist'  'isosceles':1
                                  'search_release'  'bitch':2 'cds':3 'kitch':1
                                     'search_rest'  '00poprockelectronic':1 '0410':3 'b':4,5 'hip':6 'hop':7 'or':8 'rap':10 'rnb':9 'sides':2 'turntablism':11
                                    'search_combo'  '00poprockelectronic':6 '0410':8 'b':9,10 'bitch':4C 'cds':5C 'hip':11 'hop':12 'isosceles':2B 'kitch':3C 'or':13 'rap':15 'rnb':14 'sides':7 'turntablism':16 'watertight':1A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'canadian', 'rap', 'hip-hop', 'emo']
                                        'tag_date'  2008
                                     'discogstags'  ['hip hop']

============================== file details ==============================
                                           'mtime'  1620567528.2536387  (2021-05-09 15:38:48)
                             'size'  3983237