======================== unified (from filesystem) ========================
                                         'bitrate'  '187.309'
                                        'duration'  '307'
                                          'artist'  'Kuricorder Pops Orchestra'
                                     'text_people'  ''
                                         'release'  'Yotsuba &!'
                                           'title'  "Yotsuba no Chiisana Daibouken [Yotsuba's Little Big Adventure]"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['fun', 'japanese']"
                                     'discogstags'  "['stage & screen']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '22'
                                      'tracktotal'  ''
                                            'date'  ''
                                        'comments'  ''
                                           'genre'  'soundtrack-video;set-pl-mor'
                                             'bpm'  '114.738'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Yotsuba &!'
'TBPM' (BPM (beats per minute))                     '114.738'
'TCON' (Content type, a.k.a. Genre)                 ['soundtrack-video', 'set-pl-mor']
'TIT2' (Title/songname/content description)         "Yotsuba no Chiisana Daibouken [Yotsuba's Little Big Adventure]"
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kuricorder Pops Orchestra'
'TRCK' (Track number/Position in set)               '22'
'TXXX:Mp3gain_minmax'                               '139,252'
'TXXX:Mp3gain_undo'                                 '+003,+003,N'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'stage & screen'
'TXXX:lastfmtags'                                   ['fun', 'japanese']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.04 dB'
'TXXX:replaygain_track_peak'                        '0.662957'

========================== row from database ==========================
                                              'id'  1507904
                                            'path'  /data/Music/Bulk/0soundtrack/Yotsuba&!_Image_Album/Kuricorder Pops Orchestra - 22 - Yotsuba no Chiisana Daibouken [Yotsuba_s Little Big Adventure].mp3
                                         'working'  None
                                         'bitrate'  187
                                    'duration_sec'  307
                                           'genre'  soundtrack-video;set-pl-mor
                                        'filesize'  7201581
                                           'mtime'  1640870289
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack Yotsuba&!_Image_Album 22 [Yotsuba_s soundtrack video;set pl mor
                                      'tag_artist'  Kuricorder Pops Orchestra
                                     'tag_release'  Yotsuba &!
                                       'tag_title'  Yotsuba no Chiisana Daibouken [Yotsuba's Little Big Adventure]
                                             'bpm'  114.738
                                    'search_title'  'adventure':10,11 'big':9 'chiisana':3 'daibouken':4 'little':8 'no':2 's':6 'yotsuba':1,5 'yotsubas':7
                                   'search_artist'  'kuricorder':1 'orchestra':3 'pops':2
                                  'search_release'  'yotsuba':1
                                     'search_rest'  '0soundtrack':1 '22':8 'album':4,7 'image':3,6 'mor':19 'pl':18 's':10,12 'set':15,17 'soundtrack':13 'video':14,16 'yotsuba':2,5,9,11
                                    'search_combo'  '0soundtrack':16 '22':23 'adventure':10A,11A 'album':19,22 'big':9A 'chiisana':3A 'daibouken':4A 'image':18,21 'kuricorder':12B 'little':8A 'mor':34 'no':2A 'orchestra':14B 'pl':33 'pops':13B 's':6A,25,27 'set':30,32 'soundtrack':28 'video':29,31 'yotsuba':1A,5A,15C,17,20,24,26 'yotsubas':7A
                                    'tag_tracknum'  22
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-2', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-3', 'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']
                                      'lastfmtags'  ['fun', 'japanese']
                                        'tag_date'  
                                     'discogstags'  ['stage & screen']

============================== file details ==============================
                                           'mtime'  1640870288.681836  (2021-12-30 14:18:08)
                             'size'  7201581