======================== unified (from filesystem) ========================
                                         'bitrate'  '319.737'
                                        'duration'  '191'
                                          'artist'  'Tom Waits'
                                     'text_people'  ''
                                         'release'  'Shrek 2'
                                           'title'  'Little Drop of Poison'
                                           'quals'  ("['Q-JZFKS-2', 'Q-HAP-2', 'Q-LOCALNESS-2', 'Q-UNU-2', '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-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '111.886'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Shrek 2'
'TBPM' (BPM (beats per minute))                     '111.886'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Little Drop of Poison'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tom Waits'
'TRCK' (Track number/Position in set)               '9'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:lastfmtags'                                   ['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.49 dB'
'TXXX:replaygain_track_peak'                        '0.427023'

========================== row from database ==========================
                                              'id'  1362596
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/00songwriter-eos/Tom Waits/MBZ;#Tom Waits;#Shrek 2;#09;#Little Drop of Poison.mp3
                                         'working'  None
                                         'bitrate'  319
                                    'duration_sec'  191
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  7670092
                                           'mtime'  1639508257
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 00songwriter eos MBZ;#Tom Waits;#Shrek 2;#09;#Little ifs songwriter eos
                                      'tag_artist'  Tom Waits
                                     'tag_release'  Shrek 2
                                       'tag_title'  Little Drop of Poison
                                             'bpm'  111.886
                                    'search_title'  'drop':2 'little':1 'of':3 'poison':4
                                   'search_artist'  'tom':1 'waits':2
                                  'search_release'  '2':2 'shrek':1
                                     'search_rest'  '00singer':1 '00songwriter':4 '09':14,17 '2':13,16 'eos':3 'ifs':19 'little':15,18 'mbz':5,7 'shrek':10,12 'songwriter':2 'tom':6,8 'waits':9,11
                                    'search_combo'  '00singer':9 '00songwriter':12 '09':22,25 '2':8C,21,24 'drop':2A 'eos':11 'ifs':27 'little':1A,23,26 'mbz':13,15 'of':3A 'poison':4A 'shrek':7C,18,20 'songwriter':10 'tom':5B,14,16 'waits':6B,17,19
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['blues', 'rock', 'alternative', 'experimental', 'singer songwriter']
                                        'tag_date'  2004
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1639508256.658708  (2021-12-14 19:57:36)
                             'size'  7670092