======================== unified (from filesystem) ========================
                                         'bitrate'  '172.827'
                                        'duration'  '173'
                                          'artist'  'Pomplamoose'
                                     'text_people'  ''
                                         'release'  'VideoSongs'
                                           'title'  'Twice As Nice'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'indie pop', 'female vocalists', 'soul', 'singer songwriter']"
                                     'discogstags'  "['rock', 'pop', 'alternative rock', 'pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '99.031'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'VideoSongs'
'TBPM' (BPM (beats per minute))                     '99.031'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'Twice As Nice'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Pomplamoose'
'TRCK' (Track number/Position in set)               '6'
'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'                                  ['rock', 'pop', 'alternative rock', 'pop rock']
'TXXX:lastfmtags'                                   ['indie', 'indie pop', 'female vocalists', 'soul', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.77 dB'
'TXXX:replaygain_track_peak'                        '0.479378'

========================== row from database ==========================
                                              'id'  195277
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Pomplamoose/06-pomplamoose-twice_as_nice-tgb.mp3
                                         'working'  None
                                         'bitrate'  172
                                    'duration_sec'  173
                                           'genre'  ifs-songwriter
                                        'filesize'  3751098
                                           'mtime'  1628356658
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 06 pomplamoose twice_as_nice tgb ifs songwriter
                                      'tag_artist'  Pomplamoose
                                     'tag_release'  VideoSongs
                                       'tag_title'  Twice As Nice
                                             'bpm'  99.031
                                    'search_title'  'as':2 'nice':3 'twice':1
                                   'search_artist'  'pomplamoose':1
                                  'search_release'  'songs':3 'video':2 'videosongs':1
                                     'search_rest'  '00singer':1 'as':6 'eos':3 'ifs':9 'nice':7 'pomplamoose':4 'songwriter':2 'tgb':8 'twice':5
                                    'search_combo'  '00singer':8 'as':2A,13 'eos':10 'ifs':16 'nice':3A,14 'pomplamoose':4B,11 'songs':7C 'songwriter':9 'tgb':15 'twice':1A,12 'video':6C 'videosongs':5C
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  10A
                                           '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-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'indie pop', 'female vocalists', 'soul', 'singer songwriter']
                                        'tag_date'  2009
                                     'discogstags'  ['rock', 'pop', 'alternative rock', 'pop rock']

============================== file details ==============================
                                           'mtime'  1628356657.724488  (2021-08-07 19:17:37)
                             'size'  3751098