======================== unified (from filesystem) ========================
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                                        'duration'  '313'
                                          'artist'  'Bill Callahan'
                                     'text_people'  'Bill Callahan'
                                         'release'  'Woke On A Whaleheart'
                                           'title'  'A Man Needs A Woman Or A Man To Be A Man'
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                                      'lastfmtags'  "['lo fi', 'alt country', 'indie rock', 'folk', 'singer songwriter']"
                                     'discogstags'  "['rock', 'alternative rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '9'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-folk'
                                             'bpm'  '107.2'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'Woke On A Whaleheart'
'TBPM' (BPM (beats per minute))                     '107.2'
'TCOM' (Composer)                                   'Bill Callahan'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-folk'
'TDRC' (Recording time)                             '2007'
'TENC' (Encoded by)                                 'iTunes v7.7.1'
'TIT2' (Title/songname/content description)         'A Man Needs A Woman Or A Man To Be A Man'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Bill Callahan'
'TPE2' (Band/orchestra/accompaniment)               'Bill Callahan'
'TPUB' (Publisher)                                  'Drag City'
'TRCK' (Track number/Position in set)               '9'
'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:discogstags'                                  ['rock', 'alternative rock']
'TXXX:lastfmtags'                                   ['lo fi', 'alt country', 'indie rock', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.26 dB'
'TXXX:replaygain_track_peak'                        '0.470349'

========================== row from database ==========================
                                              'id'  1265911
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Bill Callahan/Woke On A Whaleheart/09 a man needs a woman or a man to be a man.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  313
                                           'genre'  ifs-songwriter-folk
                                        'filesize'  7521098
                                           'mtime'  1636400719
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 09 needs woman or to be ifs songwriter folk
                                      'tag_artist'  Bill Callahan
                                     'tag_release'  Woke On A Whaleheart
                                       'tag_title'  A Man Needs A Woman Or A Man To Be A Man
                                             'bpm'  107.2
                                    'search_title'  'a':1 'be':7 'man':2 'needs':3 'or':5 'to':6 'woman':4
                                   'search_artist'  'bill':1 'callahan':2
                                  'search_release'  'a':3 'on':2 'whaleheart':4 'woke':1
                                     'search_rest'  '00singer':1 'be':8 'eos':3 'folk':10 'ifs':9 'needs':4 'or':6 'songwriter':2 'to':7 'woman':5
                                    'search_combo'  '00singer':14 'a':1A,12C 'be':7A,21 'bill':8B 'callahan':9B 'eos':16 'folk':23 'ifs':22 'man':2A 'needs':3A,17 'on':11C 'or':5A,19 'songwriter':15 'to':6A,20 'whaleheart':13C 'woke':10C 'woman':4A,18
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['lo fi', 'alt country', 'indie rock', 'folk', 'singer songwriter']
                                        'tag_date'  2007
                                     'discogstags'  ['rock', 'alternative rock']

============================== file details ==============================
                                           'mtime'  1636400719.1683245  (2021-11-08 20:45:19)
                             'size'  7521098