======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '148'
                                          'artist'  'The Stinky Puffs'
                                     'text_people'  ''
                                         'release'  'Songs & Advice For Kids Who Have Been Left Behind'
                                           'title'  'A Play'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'kurt cobain', 'alternative', 'indie rock', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '06'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '114.5'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Songs & Advice For Kids Who Have Been Left Behind'
'TBPM' (BPM (beats per minute))                     '114.5'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TIT2' (Title/songname/content description)         'A Play'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Stinky Puffs'
'TRCK' (Track number/Position in set)               '06'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['indie', 'kurt cobain', 'alternative', 'indie rock', 'rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.70 dB'
'TXXX:replaygain_track_peak'                        '0.565144'

========================== row from database ==========================
                                              'id'  1368380
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/The Stinky Puffs - songs & advice for kids who have been left behind/06 a play.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  148
                                           'genre'  ifs-songwriter
                                        'filesize'  2369408
                                           'mtime'  1637330581
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos songs advice for kids who have been left behind 06 play ifs songwriter
                                      'tag_artist'  The Stinky Puffs
                                     'tag_release'  Songs & Advice For Kids Who Have Been Left Behind
                                       'tag_title'  A Play
                                             'bpm'  114.5
                                    'search_title'  'a':1 'play':2
                                   'search_artist'  'puffs':3 'stinky':2 'the':1
                                  'search_release'  'advice':2 'been':7 'behind':9 'for':3 'have':6 'kids':4 'left':8 'songs':1 'who':5
                                     'search_rest'  '00singer':1 'advice':5 'been':10 'behind':12 'eos':3 'for':6 'have':9 'ifs':14 'kids':7 'left':11 'play':13 'songs':4 'songwriter':2 'who':8
                                    'search_combo'  '00singer':15 'a':1A 'advice':7C,19 'been':12C,24 'behind':14C,26 'eos':17 'for':8C,20 'have':11C,23 'ifs':28 'kids':9C,21 'left':13C,25 'play':2A,27 'puffs':5B 'songs':6C,18 'songwriter':16 'stinky':4B 'the':3B 'who':10C,22
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-1', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'kurt cobain', 'alternative', 'indie rock', 'rock']
                                        'tag_date'  
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1637330581.3490193  (2021-11-19 15:03:01)
                             'size'  2369408