======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '128'
                                          'artist'  'Bill Haley & His Comets'
                                     'text_people'  ''
                                         'release'  'The Decca Years And More (cd 1'
                                           'title'  "Rockin' Through The Rye"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['oldies', 'rock n roll', 'rock and roll', 'rockabilly', 'rock', '50s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '416'
                                      'tracktotal'  ''
                                            'date'  '1956'
                                        'comments'  ''
                                           'genre'  'rock-pop-early-rocknroll'
                                             'bpm'  '91.103'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Decca Years And More (cd 1'
'TBPM' (BPM (beats per minute))                     '91.103'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-early-rocknroll'
'TDRC' (Recording time)                             '1956'
'TIT2' (Title/songname/content description)         "Rockin' Through The Rye"
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bill Haley & His Comets'
'TRCK' (Track number/Position in set)               '416'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['oldies', 'rock n roll', 'rock and roll', 'rockabilly', 'rock', '50s']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.11 dB'
'TXXX:replaygain_track_peak'                        '0.424010'

========================== row from database ==========================
                                              'id'  1497442
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1956/1956-416 - Bill Haley & His Comets - Rockin_ Through The Rye.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  128
                                           'genre'  rock-pop-early-rocknroll
                                        'filesize'  5137678
                                           'mtime'  1622659465
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1956 1956 416 Rockin_ rock pop early rocknroll
                                      'tag_artist'  Bill Haley & His Comets
                                     'tag_release'  The Decca Years And More (cd 1
                                       'tag_title'  Rockin' Through The Rye
                                             'bpm'  91.103
                                    'search_title'  'rockin':1,2 'rye':5 'the':4 'through':3
                                   'search_artist'  'bill':1 'comets':4 'haley':2 'his':3
                                  'search_release'  '1':8 'and':4 'cd':6,7 'decca':2 'more':5 'the':1 'years':3
                                     'search_rest'  '00oldiepop':5 '1956':6 '416':7 'country':4 'early':11 'exotica':2 'jazz':1 'oldies':3 'pop':10 'rock':9 'rockin':8 'rocknroll':12
                                    'search_combo'  '00oldiepop':22 '1':17C '1956':23 '416':24 'and':13C 'bill':6B 'cd':15C,16C 'comets':9B 'country':21 'decca':11C 'early':28 'exotica':19 'haley':7B 'his':8B 'jazz':18 'more':14C 'oldies':20 'pop':27 'rock':26 'rockin':1A,2A,25 'rocknroll':29 'rye':5A 'the':4A,10C 'through':3A 'years':12C
                                    'tag_tracknum'  416
                                      'num_images'  0
                                             'key'  9B
                                           '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-1', 'q-busy-3', 'q-drums-3', 'q-syn-1', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['oldies', 'rock n roll', 'rock and roll', 'rockabilly', 'rock', '50s']
                                        'tag_date'  1956
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622659464.5477412  (2021-06-02 20:44:24)
                             'size'  5137678