======================== unified (from filesystem) ========================
                                         'bitrate'  '128.109'
                                        'duration'  '198'
                                          'artist'  "Da Vinci's Notebook"
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "The Irish Drinkin' Song"
                                           'quals'  ("['Q-HAP-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-LOCALNESS-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['fun', 'humor', 'comedy', 'a cappella', 'a capella']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'entertaining-comedians;ifs-songwriter-a capella'
                                             'bpm'  '142.307'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '142.307'
'TCON' (Content type, a.k.a. Genre)                 ['entertaining-comedians', 'ifs-songwriter-a capella']
'TIT2' (Title/songname/content description)         "The Irish Drinkin' Song"
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               "Da Vinci's Notebook"
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['fun', 'humor', 'comedy', 'a cappella', 'a capella']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.36 dB'
'TXXX:replaygain_track_peak'                        '0.449673'

========================== row from database ==========================
                                              'id'  1524198
                                            'path'  /data/Music/Bulk/00spent/Da Vinci_s Notebook/The Irish Drinkin_ Song.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  198
                                           'genre'  entertaining-comedians;ifs-songwriter-a capella
                                        'filesize'  3180157
                                           'mtime'  1620573816
                                   'redo_metaread'  0
                                        'rest_str'   00spent Vinci_s Drinkin_ entertaining comedians;ifs songwriter capella
                                      'tag_artist'  Da Vinci's Notebook
                                     'tag_release'  None
                                       'tag_title'  The Irish Drinkin' Song
                                             'bpm'  142.307
                                    'search_title'  'drinkin':3,4 'irish':2 'song':5 'the':1
                                   'search_artist'  'da':1 'notebook':5 's':3 'vinci':2 'vincis':4
                                  'search_release'  
                                     'search_rest'  '00spent':1 'capella':11 'comedians':6,8 'drinkin':4 'entertaining':5 'ifs':7,9 's':3 'songwriter':10 'vinci':2
                                    'search_combo'  '00spent':11 'capella':21 'comedians':16,18 'da':6B 'drinkin':3A,4A,14 'entertaining':15 'ifs':17,19 'irish':2A 'notebook':10B 's':8B,13 'song':5A 'songwriter':20 'the':1A 'vinci':7B,12 'vincis':9B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['fun', 'humor', 'comedy', 'a cappella', 'a capella']
                                        'tag_date'  
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620573816.0350966  (2021-05-09 17:23:36)
                             'size'  3180157