======================== unified (from filesystem) ========================
                                         'bitrate'  '127.986'
                                        'duration'  '242'
                                          'artist'  'Fancy'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Bolero (Hold Me In Your Arms)'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'dance', 'italo disco', 'pop', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '117.535'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '117.535'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'Bolero (Hold Me In Your Arms)'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Fancy'
'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:lastfmtags'                                   ['80s', 'dance', 'italo disco', 'pop', 'disco']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.41 dB'
'TXXX:replaygain_track_peak'                        '0.481223'

========================== row from database ==========================
                                              'id'  1315404
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Fancy - Bolero (Hold Me In Your Arms Again) (1).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  242
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  3887510
                                           'mtime'  1652397956
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Again) (1) electronic we disco or italo
                                      'tag_artist'  Fancy
                                     'tag_release'  None
                                       'tag_title'  Bolero (Hold Me In Your Arms)
                                             'bpm'  117.535
                                    'search_title'  'arms':7,8 'bolero':1 'hold':2,3 'in':5 'me':4 'your':6
                                   'search_artist'  'fancy':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '1':9,10 'again':7,8 'disco':13 'electronic':11 'files':5,6 'italo':15 'loose':3,4 'or':14 'unsorted':2 'we':12
                                    'search_combo'  '00poprockelectronic':10 '1':18,19 'again':16,17 'arms':7A,8A 'bolero':1A 'disco':22 'electronic':20 'fancy':9B 'files':14,15 'hold':2A,3A 'in':5A 'italo':24 'loose':12,13 'me':4A 'or':23 'unsorted':11 'we':21 'your':6A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-3']
                                      'lastfmtags'  ['80s', 'dance', 'italo disco', 'pop', 'disco']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1652397956.213323  (2022-05-13 01:25:56)
                             'size'  3887510