======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '151'
                                          'artist'  'Della Reese'
                                     'text_people'  ''
                                         'release'  '100 Oldies Deel 119'
                                           'title'  "Don't You Know"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-1', "
 "'Q-UNU-1', 'q-syn-2', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['blues', 'jazz', 'female vocalists', 'soul', 'gospel']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  '100'
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio'
                                             'bpm'  '145.4'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     '100 Oldies Deel 119'
'TBPM' (BPM (beats per minute))                     '145.4'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio'
'TDRC' (Recording time)                             '2002'
'TENC' (Encoded by)                                 'Mister X'
'TIT2' (Title/songname/content description)         "Don't You Know"
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Della Reese'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '01/100'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['blues', 'jazz', 'female vocalists', 'soul', 'gospel']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.12 dB'
'TXXX:replaygain_track_peak'                        '0.436259'

========================== row from database ==========================
                                              'id'  1516757
                                            'path'  /data/Music/Bulk/00poprockelectronic/100 oldies deel 119/01 Della Reese - Don_t You Know.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  151
                                           'genre'  electronic-generic or radio
                                        'filesize'  6476813
                                           'mtime'  1636921298
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic oldies deel 01 Don_t electronic generic or radio
                                      'tag_artist'  Della Reese
                                     'tag_release'  100 Oldies Deel 119
                                       'tag_title'  Don't You Know
                                             'bpm'  145.4
                                    'search_title'  'don':1 'dont':3 'know':5 't':2 'you':4
                                   'search_artist'  'della':1 'reese':2
                                  'search_release'  '100':1 '119':4 'deel':3 'oldies':2
                                     'search_rest'  '00poprockelectronic':1 'deel':3 'don':4 'electronic':6 'generic':7 'oldies':2 'or':8 'radio':9 't':5
                                    'search_combo'  '00poprockelectronic':12 '100':8C '119':11C 'deel':10C,14 'della':6B 'don':1A,15 'dont':3A 'electronic':17 'generic':18 'know':5A 'oldies':9C,13 'or':19 'radio':20 'reese':7B 't':2A,16 'you':4A
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'jazz', 'female vocalists', 'soul', 'gospel']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636921297.9628267  (2021-11-14 21:21:37)
                             'size'  6476813