======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '200'
                                          'artist'  'Roger Whittaker'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "I Don't Believe In If Anymore"
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['british', 'easy listening', 'schlager', 'christmas', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'entertaining-why do i keep this'
                                             'bpm'  '100.8'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '100.8'
'TCON' (Content type, a.k.a. Genre)                 'entertaining-why do i keep this'
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         "I Don't Believe In If Anymore"
'TKEY' (Initial key)                                '7B'
'TPE1' (Lead performer(s)/Soloist(s))               'Roger Whittaker'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['british', 'easy listening', 'schlager', 'christmas', 'singer songwriter']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.56 dB'
'TXXX:replaygain_track_peak'                        '0.753019'

========================== row from database ==========================
                                              'id'  1497747
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/Rob Hoeke - 1970/Roger Whittaker - I Don_t Believe In If Anymore.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  200
                                           'genre'  entertaining-why do i keep this
                                        'filesize'  4819050
                                           'mtime'  1676052981
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted Rob Hoeke 1970 Don_t entertaining why do keep this
                                      'tag_artist'  Roger Whittaker
                                     'tag_release'  None
                                       'tag_title'  I Don't Believe In If Anymore
                                             'bpm'  100.8
                                    'search_title'  'anymore':8 'believe':5 'don':2 'dont':4 'i':1 'if':7 'in':6 't':3
                                   'search_artist'  'roger':1 'whittaker':2
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '1970':5 'do':10 'don':6 'entertaining':8 'hoeke':4 'keep':11 'rob':3 't':7 'this':12 'unsorted':2 'why':9
                                    'search_combo'  '00poprockelectronic':11 '1970':15 'anymore':8A 'believe':5A 'do':20 'don':2A,16 'dont':4A 'entertaining':18 'hoeke':14 'i':1A 'if':7A 'in':6A 'keep':21 'rob':13 'roger':9B 't':3A,17 'this':22 'unsorted':12 'whittaker':10B 'why':19
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['british', 'easy listening', 'schlager', 'christmas', 'singer songwriter']
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1676052981.0289874  (2023-02-10 19:16:21)
                             'size'  4819050