======================== unified (from filesystem) ========================
                                         'bitrate'  '112.0'
                                        'duration'  '171'
                                          'artist'  'Johnny Hamp & His Orchestra'
                                     'text_people'  ''
                                         'release'  'Billboard 1928'
                                           'title'  "I Can't Give You Anything but Love"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz', '1920s', '1930s', '78rpm']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '030'
                                      'tracktotal'  ''
                                            'date'  '1928'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '106.869'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Debuted 1928 and peaked at #4 on Various Charts. Source: Pop Memories'
'COMM:ID3v1 Comment:XXX'                            'Debuted 1928 and peaked at #'
'TALB' (Album/Movie/Show title)                     'Billboard 1928'
'TBPM' (BPM (beats per minute))                     '106.869'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1928'
'TIT2' (Title/songname/content description)         "I Can't Give You Anything but Love"
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Johnny Hamp & His Orchestra'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '030'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', '1920s', '1930s', '78rpm']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.44 dB'
'TXXX:replaygain_track_peak'                        '0.581590'

========================== row from database ==========================
                                              'id'  1500923
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Billboard 1928/1928_030 - Johnny Hamp & His Orchestra - I Can_t Give You Anything but Love 112 M (2.51).mp3
                                         'working'  None
                                         'bitrate'  112
                                    'duration_sec'  171
                                           'genre'  prerock-swing
                                        'filesize'  2411227
                                           'mtime'  1620562687
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 1928_030 Can_t 112 M (2.51) prerock swing
                                      'tag_artist'  Johnny Hamp & His Orchestra
                                     'tag_release'  Billboard 1928
                                       'tag_title'  I Can't Give You Anything but Love
                                             'bpm'  106.869
                                    'search_title'  'anything':7 'but':8 'can':2 'cant':4 'give':5 'i':1 'love':9 't':3 'you':6
                                   'search_artist'  'hamp':2 'his':3 'johnny':1 'orchestra':4
                                  'search_release'  '1928':2 'billboard':1
                                     'search_rest'  '030':6 '112':9 '1928':5 '2':11 '251':13 '51':12 'can':7 'country':4 'exotica':2 'jazz':1 'm':10 'oldies':3 'prerock':14 'swing':15 't':8
                                    'search_combo'  '030':21 '112':24 '1928':15C,20 '2':26 '251':28 '51':27 'anything':7A 'billboard':14C 'but':8A 'can':2A,22 'cant':4A 'country':19 'exotica':17 'give':5A 'hamp':11B 'his':12B 'i':1A 'jazz':16 'johnny':10B 'love':9A 'm':25 'oldies':18 'orchestra':13B 'prerock':29 'swing':30 't':3A,23 'you':6A
                                    'tag_tracknum'  30
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['jazz', '1920s', '1930s', '78rpm']
                                        'tag_date'  1928
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620562686.767445  (2021-05-09 14:18:06)
                             'size'  2411227