======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '146'
                                          'artist'  'Rosemary Clooney'
                                     'text_people'  ''
                                         'release'  'Botch-A-Me And All Other Greatest Hits'
                                           'title'  'I Could Have Danced All Night'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['vocal jazz', 'jazz vocal', 'jazz', 'female vocalists', 'oldies']"
                                     'discogstags'  "['vocal', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '276'
                                      'tracktotal'  ''
                                            'date'  '1956'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '140.823'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Botch-A-Me And All Other Greatest Hits'
'TBPM' (BPM (beats per minute))                     '140.823'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1956'
'TIT2' (Title/songname/content description)         'I Could Have Danced All Night'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Rosemary Clooney'
'TRCK' (Track number/Position in set)               '276'
'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', 'pop']
'TXXX:lastfmtags'                                   ['vocal jazz', 'jazz vocal', 'jazz', 'female vocalists', 'oldies']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'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'                        '+0.26 dB'
'TXXX:replaygain_track_peak'                        '0.505690'

========================== row from database ==========================
                                              'id'  1439162
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1956/1956-276 - Rosemary Clooney - I Could Have Danced All Night.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  146
                                           'genre'  prerock-vocal
                                        'filesize'  5882692
                                           'mtime'  1621853348
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1956 1956 276 prerock vocal
                                      'tag_artist'  Rosemary Clooney
                                     'tag_release'  Botch-A-Me And All Other Greatest Hits
                                       'tag_title'  I Could Have Danced All Night
                                             'bpm'  140.823
                                    'search_title'  'all':5 'could':2 'danced':4 'have':3 'i':1 'night':6
                                   'search_artist'  'clooney':2 'rosemary':1
                                  'search_release'  'a':2 'all':6 'and':5 'botch':1 'botchame':4 'greatest':8 'hits':9 'me':3 'other':7
                                     'search_rest'  '00oldiepop':5 '1956':6 '276':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':8 'vocal':9
                                    'search_combo'  '00oldiepop':22 '1956':23 '276':24 'a':10C 'all':5A,14C 'and':13C 'botch':9C 'botchame':12C 'clooney':8B 'could':2A 'country':21 'danced':4A 'exotica':19 'greatest':16C 'have':3A 'hits':17C 'i':1A 'jazz':18 'me':11C 'night':6A 'oldies':20 'other':15C 'prerock':25 'rosemary':7B 'vocal':26
                                    'tag_tracknum'  276
                                      'num_images'  0
                                             'key'  8A
                                           '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-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['vocal jazz', 'jazz vocal', 'jazz', 'female vocalists', 'oldies']
                                        'tag_date'  1956
                                     'discogstags'  ['vocal', 'pop']

============================== file details ==============================
                                           'mtime'  1621853347.6059463  (2021-05-24 12:49:07)
                             'size'  5882692