======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '213'
                                          'artist'  'Tom Waits'
                                     'text_people'  ''
                                         'release'  'Foreign Affairs'
                                           'title'  'Muriel'
                                           'quals'  ("['Q-JZFKS-2', 'Q-HAP-2', 'Q-LOCALNESS-2', 'Q-UNU-2', 'Q-OLDST-2', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-vocals-3', 'q-mixbeat-1', "
 "'Q-PIANO-3']")
                                      'lastfmtags'  "['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']"
                                     'discogstags'  "['rock', 'pop', 'blues rock', 'vocal']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1977'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '144.130'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Foreign Affairs'
'TBPM' (BPM (beats per minute))                     '144.130'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TDRC' (Recording time)                             '1977'
'TIT2' (Title/songname/content description)         'Muriel'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tom Waits'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['rock', 'pop', 'blues rock', 'vocal']
'TXXX:lastfmtags'                                   ['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.97 dB'
'TXXX:replaygain_track_peak'                        '0.779487'

========================== row from database ==========================
                                              'id'  1368596
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/00songwriter-eos/Tom Waits/1977 - Foreign Affairs/MBZ;#Tom Waits;#Foreign Affairs;#02;#Muriel.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  213
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  5141921
                                           'mtime'  1639508242
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 00songwriter eos 1977 MBZ;#Tom Waits;#Foreign Affairs;#02;#Muriel ifs songwriter eos
                                      'tag_artist'  Tom Waits
                                     'tag_release'  Foreign Affairs
                                       'tag_title'  Muriel
                                             'bpm'  144.13
                                    'search_title'  'muriel':1
                                   'search_artist'  'tom':1 'waits':2
                                  'search_release'  'affairs':2 'foreign':1
                                     'search_rest'  '00singer':1 '00songwriter':4 '02':15,18 '1977':5 'affairs':14,17 'eos':3 'foreign':11,13 'ifs':20 'mbz':6,8 'muriel':16,19 'songwriter':2 'tom':7,9 'waits':10,12
                                    'search_combo'  '00singer':6 '00songwriter':9 '02':20,23 '1977':10 'affairs':5C,19,22 'eos':8 'foreign':4C,16,18 'ifs':25 'mbz':11,13 'muriel':1A,21,24 'songwriter':7 'tom':2B,12,14 'waits':3B,15,17
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']
                                        'tag_date'  1977
                                     'discogstags'  ['rock', 'pop', 'blues rock', 'vocal']

============================== file details ==============================
                                           'mtime'  1639508241.8429077  (2021-12-14 19:57:21)
                             'size'  5141921