======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '145'
                                          'artist'  'Johnnie Ray'
                                     'text_people'  ''
                                         'release'  'Cry'
                                           'title'  "Johnnie's Comin' Home"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rockabilly', 'easy listening', '50s', 'oldies', 'jonnie ray']"
                                     'discogstags'  "['vocal', 'blues', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '247'
                                      'tracktotal'  ''
                                            'date'  '1955'
                                        'comments'  ''
                                           'genre'  'prerock-vocal-easy'
                                             'bpm'  '114.028'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Cry'
'TBPM' (BPM (beats per minute))                     '114.028'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal-easy'
'TDRC' (Recording time)                             '1955'
'TIT2' (Title/songname/content description)         "Johnnie's Comin' Home"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Johnnie Ray'
'TRCK' (Track number/Position in set)               '247'
'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:discogstags'                                  ['vocal', 'blues', 'pop']
'TXXX:lastfmtags'                                   ['rockabilly', 'easy listening', '50s', 'oldies', 'jonnie ray']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.75 dB'
'TXXX:replaygain_track_peak'                        '0.298410'

========================== row from database ==========================
                                              'id'  1497010
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1955/1955-247 - Johnnie Ray - Johnnie_s Comin_ Home.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  145
                                           'genre'  prerock-vocal-easy
                                        'filesize'  5824384
                                           'mtime'  1621625774
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1955 1955 247 Johnnie_s Comin_ prerock vocal easy
                                      'tag_artist'  Johnnie Ray
                                     'tag_release'  Cry
                                       'tag_title'  Johnnie's Comin' Home
                                             'bpm'  114.028
                                    'search_title'  'comin':4,5 'home':6 'johnnie':1 'johnnies':3 's':2
                                   'search_artist'  'johnnie':1 'ray':2
                                  'search_release'  'cry':1
                                     'search_rest'  '00oldiepop':5 '1955':6 '247':7 'comin':10 'country':4 'easy':13 'exotica':2 'jazz':1 'johnnie':8 'oldies':3 'prerock':11 's':9 'vocal':12
                                    'search_combo'  '00oldiepop':14 '1955':15 '247':16 'comin':4A,5A,19 'country':13 'cry':9C 'easy':22 'exotica':11 'home':6A 'jazz':10 'johnnie':1A,7B,17 'johnnies':3A 'oldies':12 'prerock':20 'ray':8B 's':2A,18 'vocal':21
                                    'tag_tracknum'  247
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-2', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['rockabilly', 'easy listening', '50s', 'oldies', 'jonnie ray']
                                        'tag_date'  1955
                                     'discogstags'  ['vocal', 'blues', 'pop']

============================== file details ==============================
                                           'mtime'  1621625774.2181513  (2021-05-21 21:36:14)
                             'size'  5824384