======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '360'
                                          'artist'  "Po' Girl"
                                     'text_people'  'Allison Russell/Trish Klein'
                                         'release'  "Po' Girl"
                                           'title'  'What Sad Old Song'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-2', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
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 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['americana', 'female vocalists', 'acoustic', 'alt country', 'folk', 'singer "
 "songwriter']")
                                     'discogstags'  "['folk, world, & country', 'folk', 'bluegrass']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-folk'
                                             'bpm'  '96.3'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     "Po' Girl"
'TBPM' (BPM (beats per minute))                     '96.3'
'TCOM' (Composer)                                   'Allison Russell/Trish Klein'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-folk'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'What Sad Old Song'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               "Po' Girl"
'TPE2' (Band/orchestra/accompaniment)               "Po' Girl"
'TPUB' (Publisher)                                  'Hightone Records'
'TRCK' (Track number/Position in set)               '11'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['folk, world, & country', 'folk', 'bluegrass']
'TXXX:lastfmtags'                                   ['americana',
 'female vocalists',
 'acoustic',
 'alt country',
 'folk',
 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.83 dB'
'TXXX:replaygain_track_peak'                        '0.506491'

========================== row from database ==========================
                                              'id'  1534287
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Po_ Girl/Po' Girl (2003)/11 - What Sad Old Song.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  360
                                           'genre'  ifs-songwriter-folk
                                        'filesize'  14726766
                                           'mtime'  1636400401
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Po_ (2003) 11 ifs songwriter folk
                                      'tag_artist'  Po' Girl
                                     'tag_release'  Po' Girl
                                       'tag_title'  What Sad Old Song
                                             'bpm'  96.3
                                    'search_title'  'old':3 'sad':2 'song':4 'what':1
                                   'search_artist'  'girl':3 'po':1,2
                                  'search_release'  'girl':3 'po':1,2
                                     'search_rest'  '00singer':1 '2003':5,6 'eos':3 'folk':8 'ifs':7 'po':4 'songwriter':2
                                    'search_combo'  '00singer':11 '2003':15,16 'eos':13 'folk':18 'girl':7B,10C 'ifs':17 'old':3A 'po':5B,6B,8C,9C,14 'sad':2A 'song':4A 'songwriter':12 'what':1A
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['americana', 'female vocalists', 'acoustic', 'alt country', 'folk', 'singer songwriter']
                                        'tag_date'  2003
                                     'discogstags'  ['folk, world, & country', 'folk', 'bluegrass']

============================== file details ==============================
                                           'mtime'  1636400400.9579694  (2021-11-08 20:40:00)
                             'size'  14726766