======================== unified (from filesystem) ========================
                                         'bitrate'  '159.273'
                                        'duration'  '190'
                                          'artist'  'Suzanne Vega'
                                     'text_people'  ''
                                         'release'  'Tried and True: The Best of Su'
                                           'title'  'No Cheap Thrill'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative', 'female vocalists', 'pop', 'folk', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '137.852'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Tried and True: The Best of Su'
'TBPM' (BPM (beats per minute))                     '137.852'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'No Cheap Thrill'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Suzanne Vega'
'TRCK' (Track number/Position in set)               '12'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['alternative', 'female vocalists', 'pop', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.43 dB'
'TXXX:replaygain_track_peak'                        '0.509164'

========================== row from database ==========================
                                              'id'  173176
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Suzanne Vega/Best_of_Suzanne_Vega/mp3/Suzanne Vega - The Best of Suzanne Vega - Tried and True - 12 - No Cheap Thrill.mp3
                                         'working'  None
                                         'bitrate'  159
                                    'duration_sec'  190
                                           'genre'  ifs-songwriter
                                        'filesize'  3793328
                                           'mtime'  1628357195
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Best_of_Suzanne_Vega mp3 12 ifs songwriter
                                      'tag_artist'  Suzanne Vega
                                     'tag_release'  Tried and True: The Best of Su
                                       'tag_title'  No Cheap Thrill
                                             'bpm'  137.852
                                    'search_title'  'cheap':2 'no':1 'thrill':3
                                   'search_artist'  'suzanne':1 'vega':2
                                  'search_release'  'and':2 'best':6 'of':7 'su':8 'the':5 'tried':1 'true':3,4
                                     'search_rest'  '00singer':1 'best':4 'eos':3 'ifs':9 'mp3':8 'of':5 'songwriter':2 'suzanne':6 'vega':7
                                    'search_combo'  '00singer':14 'and':7C 'best':11C,17 'cheap':2A 'eos':16 'ifs':22 'mp3':21 'no':1A 'of':12C,18 'songwriter':15 'su':13C 'suzanne':4B,19 'the':10C 'thrill':3A 'tried':6C 'true':8C,9C 'vega':5B,20
                                    'tag_tracknum'  12
                                      'num_images'  0
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['alternative', 'female vocalists', 'pop', 'folk', 'singer songwriter']
                                        'tag_date'  1998
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1628357195.1297145  (2021-08-07 19:26:35)
                             'size'  3793328