======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '614'
                                          'artist'  "Cherry Poppin' Daddies"
                                     'text_people'  ''
                                         'release'  'Zoot Suit Riot'
                                           'title'  'Shake Your Lovemaker'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-JZFKS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['big band', 'swing revival', 'jazz', 'ska', 'swing']"
                                     'discogstags'  "['jazz', 'rock', 'ska', 'rockabilly', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-soft-swing'
                                             'bpm'  '108.821'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Zoot Suit Riot'
'TBPM' (BPM (beats per minute))                     '108.821'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-soft-swing'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Shake Your Lovemaker'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               "Cherry Poppin' Daddies"
'TRCK' (Track number/Position in set)               '14'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['jazz', 'rock', 'ska', 'rockabilly', 'swing']
'TXXX:lastfmtags'                                   ['big band', 'swing revival', 'jazz', 'ska', 'swing']
'TXXX:original release date'                        ['1998', '1997']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.20 dB'
'TXXX:replaygain_track_peak'                        '0.498406'

========================== row from database ==========================
                                              'id'  1534096
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Cherry Poppin_ Daddies/Zoot Suit Riot__MBZ;#Cherry Poppin Daddies;#Zoot Suit Riot;#14;#Shake Your Lovemaker.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  614
                                           'genre'  prerock-jb-jazz-soft-swing
                                        'filesize'  9827965
                                           'mtime'  1620528383
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Poppin_ Riot__MBZ;#Cherry Daddies;#Zoot Riot;#14;#Shake prerock jb jazz soft swing
                                      'tag_artist'  Cherry Poppin' Daddies
                                     'tag_release'  Zoot Suit Riot
                                       'tag_title'  Shake Your Lovemaker
                                             'bpm'  108.821
                                    'search_title'  'lovemaker':3 'shake':1 'your':2
                                   'search_artist'  'cherry':1 'daddies':4 'poppin':2,3
                                  'search_release'  'riot':3 'suit':2 'zoot':1
                                     'search_rest'  '14':17,20 'cherry':8,11 'country':4 'daddies':12,14 'exotica':2 'jazz':1 'jb':23 'mbz':7,10 'oldies':3 'poppin':5 'prerock':22 'riot':6,9,16,19 'shake':18,21 'soft':24 'swing':25 'zoot':13,15
                                    'search_combo'  '14':27,30 'cherry':4B,18,21 'country':14 'daddies':7B,22,24 'exotica':12 'jazz':11 'jb':33 'lovemaker':3A 'mbz':17,20 'oldies':13 'poppin':5B,6B,15 'prerock':32 'riot':10C,16,19,26,29 'shake':1A,28,31 'soft':34 'suit':9C 'swing':35 'your':2A 'zoot':8C,23,25
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-4', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['big band', 'swing revival', 'jazz', 'ska', 'swing']
                                        'tag_date'  1997
                                     'discogstags'  ['jazz', 'rock', 'ska', 'rockabilly', 'swing']

============================== file details ==============================
                                           'mtime'  1620528383.0797613  (2021-05-09 04:46:23)
                             'size'  9827965